322749622080 has 168 divisors, whose sum is σ = 1111770707112. Its totient is φ = 85938917376.

The previous prime is 322749622057. The next prime is 322749622087. The reversal of 322749622080 is 80226947223.

It can be written as a sum of positive squares in 4 ways, for example, as 31900817664 + 290848804416 = 178608^2 + 539304^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322749622087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1866994 + ... + 2032526.

Almost surely, 2^322749622080 is an apocalyptic number.

322749622080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322749622080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555885353556).

322749622080 is an abundant number, since it is smaller than the sum of its proper divisors (789021085032).

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

322749622080 is a wasteful number, since it uses less digits than its factorization.

322749622080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166233 (or 166220 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 322749622080 in words is "three hundred twenty-two billion, seven hundred forty-nine million, six hundred twenty-two thousand, eighty".