322728883720 has 32 divisors (see below), whose sum is σ = 738447451200. Its totient is φ = 126903560128.

The previous prime is 322728883691. The next prime is 322728883727. The reversal of 322728883720 is 27388827223.

It is not an unprimeable number, because it can be changed into a prime (322728883727) 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, 68372404 + ... + 68377123.

It is an arithmetic number, because the mean of its divisors is an integer number (23076482850).

Almost surely, 2^322728883720 is an apocalyptic number.

It is an amenable number.

322728883720 is an abundant number, since it is smaller than the sum of its proper divisors (415718567480).

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

322728883720 is a wasteful number, since it uses less digits than its factorization.

322728883720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136749597 (or 136749593 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 322728883720 in words is "three hundred twenty-two billion, seven hundred twenty-eight million, eight hundred eighty-three thousand, seven hundred twenty".