228915791580 has 96 divisors (see below), whose sum is σ = 749566185984. Its totient is φ = 51106777344.

The previous prime is 228915791551. The next prime is 228915791597. The reversal of 228915791580 is 85197519822.

It is a self number, because there is not a number n which added to its sum of digits gives 228915791580.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6319587 + ... + 6355706.

It is an arithmetic number, because the mean of its divisors is an integer number (7807981104).

Almost surely, 2^228915791580 is an apocalyptic number.

228915791580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228915791580 is an abundant number, since it is smaller than the sum of its proper divisors (520650394404).

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

228915791580 is a wasteful number, since it uses less digits than its factorization.

228915791580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675355 (or 12675353 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 57.

The spelling of 228915791580 in words is "two hundred twenty-eight billion, nine hundred fifteen million, seven hundred ninety-one thousand, five hundred eighty".