1 Chronicles 5:18

Sons of Reuben, and the Gadite, and the half of the tribe of Manasseh, of sons of valour, men bearing shield and sword, and treading bow, and taught in battle, are forty and four thousand and seven hundred and sixty, going out to the host.

Numbers 1:3

from a son of twenty years and upward, every one going out to the host in Israel, ye do number them by their hosts, thou and Aaron;

Joshua 4:12-13

and the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, pass over, by fifties, before the sons of Israel, as Moses had spoken unto them;

Treasury of Scripture Knowledge

Summary

The sons of Reuben, and the Gadites, and half the tribe of Manasseh, of valiant men, men able to bear buckler and sword, and to shoot with bow, and skilful in war, were four and forty thousand seven hundred and threescore, that went out to the war.

Four and forty

Bible References

Four and forty

Joshua 4:12
and the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, pass over, by fifties, before the sons of Israel, as Moses had spoken unto them;