38917473072 has 40 divisors (see below), whose sum is σ = 100738344000. Its totient is φ = 12946486080.

The previous prime is 38917473061. The next prime is 38917473073. The reversal of 38917473072 is 27037471983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38917473073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788454 + ... + 836357.

It is an arithmetic number, because the mean of its divisors is an integer number (2518458600).

Almost surely, 2^38917473072 is an apocalyptic number.

It is an amenable number.

38917473072 is an abundant number, since it is smaller than the sum of its proper divisors (61820870928).

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

38917473072 is a wasteful number, since it uses less digits than its factorization.

38917473072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625321 (or 1625315 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 38917473072 in words is "thirty-eight billion, nine hundred seventeen million, four hundred seventy-three thousand, seventy-two".