320371768988992 has 56 divisors (see below), whose sum is σ = 726675684950016. Its totient is φ = 137279834531328.

The previous prime is 320371768988987. The next prime is 320371768989001. The reversal of 320371768988992 is 299889867173023.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×320371768988992² (a number of 30 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 7 ways as a sum of consecutive naturals, for example, 55453663 + ... + 60957790.

Almost surely, 2^{320371768988992} is an apocalyptic number.

320371768988992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320371768988992 is an abundant number, since it is smaller than the sum of its proper divisors (406303915961024).

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

320371768988992 is a wasteful number, since it uses less digits than its factorization.

320371768988992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116417615 (or 116417605 counting only the distinct ones).

The product of its (nonzero) digits is 3950456832, while the sum is 82.

The spelling of 320371768988992 in words is "three hundred twenty trillion, three hundred seventy-one billion, seven hundred sixty-eight million, nine hundred eighty-eight thousand, nine hundred ninety-two".