'Forty' in the Bible

Of Asher, such as were able to go out in the army, who could set the battle in array, forty thousand.

The Syrians fled before Israel; and David killed of the Syrians [the men of] seven thousand chariots, and forty thousand footmen, and killed Shophach the captain of the army.

The time that he reigned over Israel was forty years; he reigned seven years in Hebron, and thirty-three [years] reigned he in Jerusalem.