228516864400 has 60 divisors (see below), whose sum is σ = 598921938864. Its totient is φ = 83097040000.

The previous prime is 228516864383. The next prime is 228516864487. The reversal of 228516864400 is 4468615822.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25963426 + ... + 25972225.

Almost surely, 2^228516864400 is an apocalyptic number.

228516864400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228516864400 is an abundant number, since it is smaller than the sum of its proper divisors (370405074464).

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

228516864400 is a wasteful number, since it uses less digits than its factorization.

228516864400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51935680 (or 51935669 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 228516864400 in words is "two hundred twenty-eight billion, five hundred sixteen million, eight hundred sixty-four thousand, four hundred".