322505875780 has 96 divisors (see below), whose sum is σ = 742584632832. Its totient is φ = 116680435200.

The previous prime is 322505875753. The next prime is 322505875781. The reversal of 322505875780 is 87578505223.

It is not an unprimeable number, because it can be changed into a prime (322505875781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46128085 + ... + 46135075.

It is an arithmetic number, because the mean of its divisors is an integer number (7735256592).

Almost surely, 2^322505875780 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 322505875780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371292316416).

322505875780 is an abundant number, since it is smaller than the sum of its proper divisors (420078757052).

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

322505875780 is a wasteful number, since it uses less digits than its factorization.

322505875780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8043 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 322505875780 in words is "three hundred twenty-two billion, five hundred five million, eight hundred seventy-five thousand, seven hundred eighty".