'Forty' in the Bible

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.

And of Asher, going forth to the host, to arrange battle, are forty thousand.

and Aram fleeth from the face of Israel, and David slayeth of Aram seven thousand charioteers, and forty thousand footmen, and Shophach head of the host he hath put to death.

and the days that he hath reigned over Israel are forty years; in Hebron he reigned seven years, and in Jerusalem he reigned thirty and three;