320626670368 has 24 divisors (see below), whose sum is σ = 658678704768. Its totient is φ = 153343189824.

The previous prime is 320626670359. The next prime is 320626670381. The reversal of 320626670368 is 863076626023.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217816296 + ... + 217817767.

It is an arithmetic number, because the mean of its divisors is an integer number (27444946032).

Almost surely, 2^320626670368 is an apocalyptic number.

It is an amenable number.

320626670368 is an abundant number, since it is smaller than the sum of its proper divisors (338052034400).

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

320626670368 is a wasteful number, since it uses less digits than its factorization.

320626670368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435634096 (or 435634088 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 320626670368 in words is "three hundred twenty billion, six hundred twenty-six million, six hundred seventy thousand, three hundred sixty-eight".