38530512904 has 32 divisors (see below), whose sum is σ = 80484831000. Its totient is φ = 17170094592.

The previous prime is 38530512871. The next prime is 38530512907. The reversal of 38530512904 is 40921503583.

It can be written as a sum of positive squares in 4 ways, for example, as 30838872100 + 7691640804 = 175610^2 + 87702^2 .

It is not an unprimeable number, because it can be changed into a prime (38530512907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6384669 + ... + 6390700.

Almost surely, 2^38530512904 is an apocalyptic number.

It is an amenable number.

38530512904 is an abundant number, since it is smaller than the sum of its proper divisors (41954318096).

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

38530512904 is a wasteful number, since it uses less digits than its factorization.

38530512904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775417 (or 12775413 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 38530512904 in words is "thirty-eight billion, five hundred thirty million, five hundred twelve thousand, nine hundred four".