228611363904 has 224 divisors, whose sum is σ = 837912268800. Its totient is φ = 59379540480.

The previous prime is 228611363899. The next prime is 228611363923. The reversal of 228611363904 is 409363116822.

228611363904 is a `hidden beast` number, since 2 + 2 + 8 + 6 + 1 + 1 + 3 + 639 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×228611363904² (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 228611363904.

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, 726024 + ... + 992135.

Almost surely, 2^228611363904 is an apocalyptic number.

228611363904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228611363904 is an abundant number, since it is smaller than the sum of its proper divisors (609300904896).

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

228611363904 is a wasteful number, since it uses less digits than its factorization.

228611363904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718198 (or 1718182 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 228611363904 in words is "two hundred twenty-eight billion, six hundred eleven million, three hundred sixty-three thousand, nine hundred four".