39718972504 has 32 divisors (see below), whose sum is σ = 77791415040. Its totient is φ = 18976381600.

The previous prime is 39718972493. The next prime is 39718972529. The reversal of 39718972504 is 40527981793.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67509 + ... + 289819.

It is an arithmetic number, because the mean of its divisors is an integer number (2430981720).

Almost surely, 2^39718972504 is an apocalyptic number.

It is an amenable number.

39718972504 is a deficient number, since it is larger than the sum of its proper divisors (38072442536).

39718972504 is a wasteful number, since it uses less digits than its factorization.

39718972504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223311 (or 223307 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 39718972504 in words is "thirty-nine billion, seven hundred eighteen million, nine hundred seventy-two thousand, five hundred four".