38518685552 has 10 divisors (see below), whose sum is σ = 74629953288. Its totient is φ = 19259342768.

The previous prime is 38518685549. The next prime is 38518685587. The reversal of 38518685552 is 25558681583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203708908 + ... + 1203708939.

Almost surely, 2^38518685552 is an apocalyptic number.

It is an amenable number.

38518685552 is a deficient number, since it is larger than the sum of its proper divisors (36111267736).

38518685552 is a wasteful number, since it uses less digits than its factorization.

38518685552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407417855 (or 2407417849 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 56.

The spelling of 38518685552 in words is "thirty-eight billion, five hundred eighteen million, six hundred eighty-five thousand, five hundred fifty-two".