28624921904180 has 48 divisors (see below), whose sum is σ = 72740978021376. Its totient is φ = 9236949588480.

The previous prime is 28624921904123. The next prime is 28624921904221. The reversal of 28624921904180 is 8140912942682.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6013636676 + ... + 6013641435.

It is an arithmetic number, because the mean of its divisors is an integer number (1515437042112).

Almost surely, 2^{28624921904180} is an apocalyptic number.

28624921904180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28624921904180 is an abundant number, since it is smaller than the sum of its proper divisors (44116056117196).

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

28624921904180 is a wasteful number, since it uses less digits than its factorization.

28624921904180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027278144 (or 12027278142 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 28624921904180 in words is "twenty-eight trillion, six hundred twenty-four billion, nine hundred twenty-one million, nine hundred four thousand, one hundred eighty".