38056638564 has 60 divisors (see below), whose sum is σ = 113700087424. Its totient is φ = 10873324656.

The previous prime is 38056638553. The next prime is 38056638611. The reversal of 38056638564 is 46583665083.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 38056638564.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8387644 + ... + 8392179.

Almost surely, 2^38056638564 is an apocalyptic number.

It is an amenable number.

38056638564 is an abundant number, since it is smaller than the sum of its proper divisors (75643448860).

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

38056638564 is a wasteful number, since it uses less digits than its factorization.

38056638564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16779846 (or 16779835 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 38056638564 in words is "thirty-eight billion, fifty-six million, six hundred thirty-eight thousand, five hundred sixty-four".