228900090624 has 72 divisors (see below), whose sum is σ = 612611818560. Its totient is φ = 75873727488.

The previous prime is 228900090613. The next prime is 228900090637. The reversal of 228900090624 is 426090009822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695062 + ... + 970005.

It is an arithmetic number, because the mean of its divisors is an integer number (8508497480).

Almost surely, 2^228900090624 is an apocalyptic number.

228900090624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228900090624 is an abundant number, since it is smaller than the sum of its proper divisors (383711727936).

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

228900090624 is a wasteful number, since it uses less digits than its factorization.

228900090624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665265 (or 1665251 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 228900090624 in words is "two hundred twenty-eight billion, nine hundred million, ninety thousand, six hundred twenty-four".