28299120474960 has 120 divisors (see below), whose sum is σ = 95039686070784. Its totient is φ = 7546288684800.

The previous prime is 28299120474881. The next prime is 28299120474973. The reversal of 28299120474960 is 6947402199282.

28299120474960 is a `hidden beast` number, since 2 + 8 + 2 + 99 + 12 + 0 + 47 + 496 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40659649 + ... + 41349791.

Almost surely, 2^{28299120474960} is an apocalyptic number.

28299120474960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28299120474960 is an abundant number, since it is smaller than the sum of its proper divisors (66740565595824).

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

28299120474960 is a wasteful number, since it uses less digits than its factorization.

28299120474960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747113 (or 747104 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 28299120474960 in words is "twenty-eight trillion, two hundred ninety-nine billion, one hundred twenty million, four hundred seventy-four thousand, nine hundred sixty".