39493670736 has 40 divisors (see below), whose sum is σ = 109873419040. Its totient is φ = 12151898496.

The previous prime is 39493670729. The next prime is 39493670771. The reversal of 39493670736 is 63707639493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31644946 + ... + 31646193.

It is an arithmetic number, because the mean of its divisors is an integer number (2746835476).

Almost surely, 2^39493670736 is an apocalyptic number.

It is an amenable number.

39493670736 is an abundant number, since it is smaller than the sum of its proper divisors (70379748304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39493670736 is a wasteful number, since it uses less digits than its factorization.

39493670736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63291163 (or 63291157 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 57.

The spelling of 39493670736 in words is "thirty-nine billion, four hundred ninety-three million, six hundred seventy thousand, seven hundred thirty-six".