28104810400 has 72 divisors (see below), whose sum is σ = 69577359264. Its totient is φ = 11083564800.

The previous prime is 28104810389. The next prime is 28104810403. The reversal of 28104810400 is 401840182.

It is not an unprimeable number, because it can be changed into a prime (28104810403) 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, 190602 + ... + 304201.

It is an arithmetic number, because the mean of its divisors is an integer number (966352212).

Almost surely, 2^28104810400 is an apocalyptic number.

28104810400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28104810400 is an abundant number, since it is smaller than the sum of its proper divisors (41472548864).

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

28104810400 is a wasteful number, since it uses less digits than its factorization.

28104810400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494894 (or 494881 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 28104810400 in words is "twenty-eight billion, one hundred four million, eight hundred ten thousand, four hundred".