321363066304 has 56 divisors (see below), whose sum is σ = 729295191648. Its totient is φ = 137634493440.

The previous prime is 321363066257. The next prime is 321363066307. The reversal of 321363066304 is 403660363123.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321363066307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428634 + ... + 909094.

Almost surely, 2^321363066304 is an apocalyptic number.

It is an amenable number.

321363066304 is an abundant number, since it is smaller than the sum of its proper divisors (407932125344).

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

321363066304 is a wasteful number, since it uses less digits than its factorization.

321363066304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481973 (or 481963 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 321363066304 in words is "three hundred twenty-one billion, three hundred sixty-three million, sixty-six thousand, three hundred four".