228571960464 has 45 divisors (see below), whose sum is σ = 639700084569. Its totient is φ = 76188741120.

The previous prime is 228571960453. The next prime is 228571960469. The reversal of 228571960464 is 464069175822.

The square root of 228571960464 is 478092.

It is a perfect power (a square), and thus also a powerful number.

228571960464 is a `hidden beast` number, since 2 + 2 + 8 + 571 + 9 + 6 + 0 + 4 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66001720464 + 162570240000 = 256908^2 + 403200^2 .

It is a super-2 number, since 2×228571960464² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228571960464.

It is not an unprimeable number, because it can be changed into a prime (228571960469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5717184 + ... + 5757024.

Almost surely, 2^228571960464 is an apocalyptic number.

228571960464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

228571960464 is the 478092-nd square number.

It is an amenable number.

228571960464 is an abundant number, since it is smaller than the sum of its proper divisors (411128124105).

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

228571960464 is an frugal number, since it uses more digits than its factorization.

228571960464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79696 (or 39846 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 228571960464 in words is "two hundred twenty-eight billion, five hundred seventy-one million, nine hundred sixty thousand, four hundred sixty-four".