320432317460 has 24 divisors (see below), whose sum is σ = 673303999200. Its totient is φ = 128097473184.

The previous prime is 320432317427. The next prime is 320432317477. The reversal of 320432317460 is 64713234023.

It is a self number, because there is not a number n which added to its sum of digits gives 320432317460.

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, 4681034 + ... + 4748993.

It is an arithmetic number, because the mean of its divisors is an integer number (28054333300).

Almost surely, 2^320432317460 is an apocalyptic number.

It is an amenable number.

320432317460 is an abundant number, since it is smaller than the sum of its proper divisors (352871681740).

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

320432317460 is a wasteful number, since it uses less digits than its factorization.

320432317460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431735 (or 9431733 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 320432317460 in words is "three hundred twenty billion, four hundred thirty-two million, three hundred seventeen thousand, four hundred sixty".