28626428304 has 60 divisors (see below), whose sum is σ = 80126871552. Its totient is φ = 9540638400.

The previous prime is 28626428297. The next prime is 28626428309. The reversal of 28626428304 is 40382462682.

28626428304 is a `hidden beast` number, since 2 + 86 + 264 + 2 + 8 + 304 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28626428304.

It is not an unprimeable number, because it can be changed into a prime (28626428309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1260409 + ... + 1282919.

Almost surely, 2^28626428304 is an apocalyptic number.

28626428304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28626428304 is an abundant number, since it is smaller than the sum of its proper divisors (51500443248).

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

28626428304 is a wasteful number, since it uses less digits than its factorization.

28626428304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31356 (or 31347 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 28626428304 in words is "twenty-eight billion, six hundred twenty-six million, four hundred twenty-eight thousand, three hundred four".