321104032008 has 64 divisors (see below), whose sum is σ = 812012947200. Its totient is φ = 105801653760.

The previous prime is 321104032001. The next prime is 321104032013. The reversal of 321104032008 is 800230401123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (321104032001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8141985 + ... + 8181327.

It is an arithmetic number, because the mean of its divisors is an integer number (12687702300).

Almost surely, 2^321104032008 is an apocalyptic number.

It is an amenable number.

321104032008 is an abundant number, since it is smaller than the sum of its proper divisors (490908915192).

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

321104032008 is a wasteful number, since it uses less digits than its factorization.

321104032008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43262 (or 43258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 321104032008 in words is "three hundred twenty-one billion, one hundred four million, thirty-two thousand, eight".