38620628928 has 140 divisors (see below), whose sum is σ = 130838571952. Its totient is φ = 11034455040.

The previous prime is 38620628911. The next prime is 38620628933. The reversal of 38620628928 is 82982602683.

38620628928 is a `hidden beast` number, since 3 + 8 + 6 + 2 + 0 + 628 + 9 + 2 + 8 = 666.

38620628928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 495853 + ... + 568428.

Almost surely, 2^38620628928 is an apocalyptic number.

It is an amenable number.

38620628928 is an abundant number, since it is smaller than the sum of its proper divisors (92217943024).

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

38620628928 is a wasteful number, since it uses less digits than its factorization.

38620628928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064312 (or 1064293 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 38620628928 in words is "thirty-eight billion, six hundred twenty million, six hundred twenty-eight thousand, nine hundred twenty-eight".