The answer is 42!
References:
Bible:
Gospel According to Matthew: 42 Generations from King David to Jesus Christ (And Jesus is the answer.)
Acts 2:42: They were devoting themselves to the apostles’ teaching and to fellowship, to the breaking of bread and to prayer.
Science:
Angle of internal refraction in a water droplet that makes a rainbow is 42 degrees. Life makes sense when you rely on God's promises being true.
Pop Culture:
Hitchhiker's Guide to the Galaxy: The giant computer called "Deep Thought" spent millions of years calculating the answer, and it eventually came up with 42.