38129290992 has 60 divisors (see below), whose sum is σ = 114917452104. Its totient is φ = 11732088960.

The previous prime is 38129290963. The next prime is 38129291047. The reversal of 38129290992 is 29909292183.

38129290992 is a `hidden beast` number, since 381 + 2 + 92 + 90 + 9 + 92 = 666.

38129290992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38129290992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10182234 + ... + 10185977.

Almost surely, 2^38129290992 is an apocalyptic number.

It is an amenable number.

38129290992 is an abundant number, since it is smaller than the sum of its proper divisors (76788161112).

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

38129290992 is a wasteful number, since it uses less digits than its factorization.

38129290992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368238 (or 20368229 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 38129290992 in words is "thirty-eight billion, one hundred twenty-nine million, two hundred ninety thousand, nine hundred ninety-two".