320343589904 has 40 divisors (see below), whose sum is σ = 683953640832. Its totient is φ = 144412490880.

The previous prime is 320343589897. The next prime is 320343589913. The reversal of 320343589904 is 409985343023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17899352 + ... + 17917239.

Almost surely, 2^320343589904 is an apocalyptic number.

It is an amenable number.

320343589904 is an abundant number, since it is smaller than the sum of its proper divisors (363610050928).

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

320343589904 is a wasteful number, since it uses less digits than its factorization.

320343589904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35816655 (or 35816649 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 320343589904 in words is "three hundred twenty billion, three hundred forty-three million, five hundred eighty-nine thousand, nine hundred four".