38392921272 has 32 divisors (see below), whose sum is σ = 97555787280. Its totient is φ = 12587842560.

The previous prime is 38392921243. The next prime is 38392921279. The reversal of 38392921272 is 27212929383.

It is a happy number.

38392921272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38392921279) 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, 13110873 + ... + 13113800.

Almost surely, 2^38392921272 is an apocalyptic number.

It is an amenable number.

38392921272 is an abundant number, since it is smaller than the sum of its proper divisors (59162866008).

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

38392921272 is a wasteful number, since it uses less digits than its factorization.

38392921272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26224743 (or 26224739 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The spelling of 38392921272 in words is "thirty-eight billion, three hundred ninety-two million, nine hundred twenty-one thousand, two hundred seventy-two".