38656544064 has 56 divisors (see below), whose sum is σ = 102798055008. Its totient is φ = 12820093440.

The previous prime is 38656544039. The next prime is 38656544123. The reversal of 38656544064 is 46044565683.

It is a junction number, because it is equal to n+sod(n) for n = 38656543998 and 38656544016.

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, 473182 + ... + 548829.

Almost surely, 2^38656544064 is an apocalyptic number.

It is an amenable number.

38656544064 is an abundant number, since it is smaller than the sum of its proper divisors (64141510944).

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

38656544064 is a wasteful number, since it uses less digits than its factorization.

38656544064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022223 (or 1022213 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 38656544064 in words is "thirty-eight billion, six hundred fifty-six million, five hundred forty-four thousand, sixty-four".