38392931412 has 72 divisors (see below), whose sum is σ = 106013212032. Its totient is φ = 11618640000.

The previous prime is 38392931411. The next prime is 38392931417. The reversal of 38392931412 is 21413929383.

38392931412 is a `hidden beast` number, since 38 + 392 + 93 + 141 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38392931411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232848 + ... + 361944.

Almost surely, 2^38392931412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38392931412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53006606016).

38392931412 is an abundant number, since it is smaller than the sum of its proper divisors (67620280620).

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

38392931412 is a wasteful number, since it uses less digits than its factorization.

38392931412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129869 (or 129864 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 38392931412 in words is "thirty-eight billion, three hundred ninety-two million, nine hundred thirty-one thousand, four hundred twelve".