'Forty' in the Bible

For in seven days I will cause it to rain on the earth for forty days and forty nights, and I will wipe from the face of the ground every living thing that I have made."

And the rain fell on the earth forty days and forty nights.

The flood engulfed the earth for forty days. As the waters increased, they lifted the ark and raised it above the earth.

At the end of forty days, Noah opened the window he had made in the ark

Abraham spoke to him again, "What if forty are found there?" He replied, "I will not do it for the sake of the forty."

When Isaac was forty years old, he married Rebekah, the daughter of Bethuel the Aramean from Paddan Aram and sister of Laban the Aramean.

When Esau was forty years old, he married Judith the daughter of Beeri the Hittite, as well as Basemath the daughter of Elon the Hittite.

thirty female camels with their young, forty cows and ten bulls, and twenty female donkeys and ten male donkeys.

They took forty days, for that is the full time needed for embalming. The Egyptians mourned for him seventy days.