28322518028 has 36 divisors (see below), whose sum is σ = 58023856800. Its totient is φ = 12060895392.

The previous prime is 28322517919. The next prime is 28322518033. The reversal of 28322518028 is 82081522382.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429428 + ... + 490971.

It is an arithmetic number, because the mean of its divisors is an integer number (1611773800).

Almost surely, 2^28322518028 is an apocalyptic number.

28322518028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28322518028 is an abundant number, since it is smaller than the sum of its proper divisors (29701338772).

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

28322518028 is a wasteful number, since it uses less digits than its factorization.

28322518028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920574 (or 920565 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 28322518028 in words is "twenty-eight billion, three hundred twenty-two million, five hundred eighteen thousand, twenty-eight".