28360408488 has 64 divisors (see below), whose sum is σ = 71656920000. Its totient is φ = 9353183232.

The previous prime is 28360408477. The next prime is 28360408507. The reversal of 28360408488 is 88480406382.

It is a super-2 number, since 2×28360408488² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28360408488.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903603 + ... + 934461.

It is an arithmetic number, because the mean of its divisors is an integer number (1119639375).

Almost surely, 2^28360408488 is an apocalyptic number.

It is an amenable number.

28360408488 is an abundant number, since it is smaller than the sum of its proper divisors (43296511512).

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

28360408488 is a wasteful number, since it uses less digits than its factorization.

28360408488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31274 (or 31270 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 51.

The spelling of 28360408488 in words is "twenty-eight billion, three hundred sixty million, four hundred eight thousand, four hundred eighty-eight".