320727064524 has 12 divisors (see below), whose sum is σ = 748363150584. Its totient is φ = 106909021504.

The previous prime is 320727064481. The next prime is 320727064573. The reversal of 320727064524 is 425460727023.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13363627677 + ... + 13363627700.

It is an arithmetic number, because the mean of its divisors is an integer number (62363595882).

Almost surely, 2^320727064524 is an apocalyptic number.

It is an amenable number.

320727064524 is an abundant number, since it is smaller than the sum of its proper divisors (427636086060).

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

320727064524 is a wasteful number, since it uses less digits than its factorization.

320727064524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26727255384 (or 26727255382 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 320727064524 in words is "three hundred twenty billion, seven hundred twenty-seven million, sixty-four thousand, five hundred twenty-four".