320712307072472 has 24 divisors (see below), whose sum is σ = 699512812620660. Its totient is φ = 137448131602320.

The previous prime is 320712307072411. The next prime is 320712307072519. The reversal of 320712307072472 is 274270703217023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409071819854 + ... + 409071820637.

Almost surely, 2^{320712307072472} is an apocalyptic number.

It is an amenable number.

320712307072472 is an abundant number, since it is smaller than the sum of its proper divisors (378800505548188).

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

320712307072472 is a wasteful number, since it uses less digits than its factorization.

320712307072472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818143640511 (or 818143640500 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 47.

The spelling of 320712307072472 in words is "three hundred twenty trillion, seven hundred twelve billion, three hundred seven million, seventy-two thousand, four hundred seventy-two".