322755875664 has 80 divisors (see below), whose sum is σ = 846253128000. Its totient is φ = 105984073728.

The previous prime is 322755875639. The next prime is 322755875693. The reversal of 322755875664 is 466578557223.

It is a junction number, because it is equal to n+sod(n) for n = 322755875598 and 322755875607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274352 + ... + 1506480.

It is an arithmetic number, because the mean of its divisors is an integer number (10578164100).

Almost surely, 2^322755875664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322755875664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423126564000).

322755875664 is an abundant number, since it is smaller than the sum of its proper divisors (523497252336).

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

322755875664 is a wasteful number, since it uses less digits than its factorization.

322755875664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232572 (or 232566 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 60.

The spelling of 322755875664 in words is "three hundred twenty-two billion, seven hundred fifty-five million, eight hundred seventy-five thousand, six hundred sixty-four".