38957020648 has 32 divisors (see below), whose sum is σ = 89900818560. Its totient is φ = 15411568320.

The previous prime is 38957020639. The next prime is 38957020651. The reversal of 38957020648 is 84602075983.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 38957020595 and 38957020604.

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, 26755468 + ... + 26756923.

It is an arithmetic number, because the mean of its divisors is an integer number (2809400580).

Almost surely, 2^38957020648 is an apocalyptic number.

It is an amenable number.

38957020648 is an abundant number, since it is smaller than the sum of its proper divisors (50943797912).

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

38957020648 is a wasteful number, since it uses less digits than its factorization.

38957020648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53512417 (or 53512413 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 38957020648 in words is "thirty-eight billion, nine hundred fifty-seven million, twenty thousand, six hundred forty-eight".