63940036 has 12 divisors (see below), whose sum is σ = 111982528. Its totient is φ = 31945032.

The previous prime is 63940013. The next prime is 63940049. The reversal of 63940036 is 63004936.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265 + ... + 11311.

Almost surely, 2^63940036 is an apocalyptic number.

It is an amenable number.

63940036 is a deficient number, since it is larger than the sum of its proper divisors (48042492).

63940036 is a wasteful number, since it uses less digits than its factorization.

63940036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12498 (or 12496 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 63940036 is about 7996.2513717366. The cubic root of 63940036 is about 399.8750359640.

The spelling of 63940036 in words is "sixty-three million, nine hundred forty thousand, thirty-six".