28456058965200 has 120 divisors (see below), whose sum is σ = 91819602181248. Its totient is φ = 7532893424640.

The previous prime is 28456058965141. The next prime is 28456058965247. The reversal of 28456058965200 is 256985065482.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×28456058965200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86380792 + ... + 86709591.

Almost surely, 2^{28456058965200} is an apocalyptic number.

28456058965200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28456058965200 is an abundant number, since it is smaller than the sum of its proper divisors (63363543216048).

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

28456058965200 is a wasteful number, since it uses less digits than its factorization.

28456058965200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173090541 (or 173090530 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 28456058965200 in words is "twenty-eight trillion, four hundred fifty-six billion, fifty-eight million, nine hundred sixty-five thousand, two hundred".