28485213806304 has 96 divisors (see below), whose sum is σ = 83328408203040. Its totient is φ = 9466895886336.

The previous prime is 28485213806299. The next prime is 28485213806321. The reversal of 28485213806304 is 40360831258482.

28485213806304 is a `hidden beast` number, since 2 + 8 + 4 + 8 + 521 + 3 + 80 + 6 + 30 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×28485213806304² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48624259 + ... + 49206594.

It is an arithmetic number, because the mean of its divisors is an integer number (868004252115).

Almost surely, 2^{28485213806304} is an apocalyptic number.

28485213806304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28485213806304 is an abundant number, since it is smaller than the sum of its proper divisors (54843194396736).

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

28485213806304 is a wasteful number, since it uses less digits than its factorization.

28485213806304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97831209 (or 97831195 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 28485213806304 in words is "twenty-eight trillion, four hundred eighty-five billion, two hundred thirteen million, eight hundred six thousand, three hundred four".