322997680000 has 160 divisors (see below), whose sum is σ = 830027056320. Its totient is φ = 125030400000.

The previous prime is 322997679973. The next prime is 322997680007. The reversal of 322997680000 is 86799223.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322997680007) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2414880 + ... + 2545120.

It is an arithmetic number, because the mean of its divisors is an integer number (5187669102).

Almost surely, 2^322997680000 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 322997680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415013528160).

322997680000 is an abundant number, since it is smaller than the sum of its proper divisors (507029376320).

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

322997680000 is an equidigital number, since it uses as much as digits as its factorization.

322997680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130306 (or 130279 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 322997680000 in words is "three hundred twenty-two billion, nine hundred ninety-seven million, six hundred eighty thousand".