320007656364 has 24 divisors (see below), whose sum is σ = 814564943808. Its totient is φ = 96972017040.

The previous prime is 320007656327. The next prime is 320007656383. The reversal of 320007656364 is 463656700023.

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, 1212150082 + ... + 1212150345.

It is an arithmetic number, because the mean of its divisors is an integer number (33940205992).

Almost surely, 2^320007656364 is an apocalyptic number.

It is an amenable number.

320007656364 is an abundant number, since it is smaller than the sum of its proper divisors (494557287444).

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

320007656364 is a wasteful number, since it uses less digits than its factorization.

320007656364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424300445 (or 2424300443 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 320007656364 in words is "three hundred twenty billion, seven million, six hundred fifty-six thousand, three hundred sixty-four".