338172403992 has 32 divisors (see below), whose sum is σ = 845694658800. Its totient is φ = 112688981504.

The previous prime is 338172403951. The next prime is 338172403993. The reversal of 338172403992 is 299304271833.

It is a super-2 number, since 2×338172403992² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338172403993) 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, 2118453 + ... + 2272484.

Almost surely, 2^338172403992 is an apocalyptic number.

It is an amenable number.

338172403992 is an abundant number, since it is smaller than the sum of its proper divisors (507522254808).

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

338172403992 is a wasteful number, since it uses less digits than its factorization.

338172403992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394155 (or 4394151 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 338172403992 in words is "three hundred thirty-eight billion, one hundred seventy-two million, four hundred three thousand, nine hundred ninety-two".