38273905218 has 16 divisors (see below), whose sum is σ = 76932475200. Its totient is φ = 12693857616.

The previous prime is 38273905181. The next prime is 38273905237. The reversal of 38273905218 is 81250937283.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16026405 + ... + 16028792.

It is an arithmetic number, because the mean of its divisors is an integer number (4808279700).

Almost surely, 2^38273905218 is an apocalyptic number.

38273905218 is an abundant number, since it is smaller than the sum of its proper divisors (38658569982).

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

38273905218 is a wasteful number, since it uses less digits than its factorization.

38273905218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32055401.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 38273905218 in words is "thirty-eight billion, two hundred seventy-three million, nine hundred five thousand, two hundred eighteen".