38128865560 has 32 divisors (see below), whose sum is σ = 88108598160. Its totient is φ = 14839341696.

The previous prime is 38128865527. The next prime is 38128865569. The reversal of 38128865560 is 6556882183.

It is a super-2 number, since 2×38128865560² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38128865498 and 38128865507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38128865569) 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, 12879894 + ... + 12882853.

Almost surely, 2^38128865560 is an apocalyptic number.

It is an amenable number.

38128865560 is an abundant number, since it is smaller than the sum of its proper divisors (49979732600).

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

38128865560 is a wasteful number, since it uses less digits than its factorization.

38128865560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25762795 (or 25762791 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 38128865560 in words is "thirty-eight billion, one hundred twenty-eight million, eight hundred sixty-five thousand, five hundred sixty".