320347434760 has 32 divisors (see below), whose sum is σ = 720797952960. Its totient is φ = 128136089536.

The previous prime is 320347434739. The next prime is 320347434773. The reversal of 320347434760 is 67434743023.

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, 3124227 + ... + 3225133.

It is an arithmetic number, because the mean of its divisors is an integer number (22524936030).

Almost surely, 2^320347434760 is an apocalyptic number.

It is an amenable number.

320347434760 is an abundant number, since it is smaller than the sum of its proper divisors (400450518200).

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

320347434760 is a wasteful number, since it uses less digits than its factorization.

320347434760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180285 (or 180281 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 43.

The spelling of 320347434760 in words is "three hundred twenty billion, three hundred forty-seven million, four hundred thirty-four thousand, seven hundred sixty".