28948976022400 has 96 divisors (see below), whose sum is σ = 81729162726480. Its totient is φ = 9925363200000.

The previous prime is 28948976022377. The next prime is 28948976022401. The reversal of 28948976022400 is 422067984982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28948976022401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646160101 + ... + 646204900.

Almost surely, 2^{28948976022400} is an apocalyptic number.

28948976022400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28948976022400 is an abundant number, since it is smaller than the sum of its proper divisors (52780186704080).

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

28948976022400 is a wasteful number, since it uses less digits than its factorization.

28948976022400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292365032 (or 1292365015 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 28948976022400 in words is "twenty-eight trillion, nine hundred forty-eight billion, nine hundred seventy-six million, twenty-two thousand, four hundred".