228044136960 has 120 divisors (see below), whose sum is σ = 789781063500. Its totient is φ = 60811763712.

The previous prime is 228044136959. The next prime is 228044136967. The reversal of 228044136960 is 69631440822.

228044136960 is a `hidden beast` number, since 2 + 280 + 4 + 4 + 1 + 369 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 208680857856 + 19363279104 = 456816^2 + 139152^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (228044136967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4925835 + ... + 4971914.

Almost surely, 2^228044136960 is an apocalyptic number.

228044136960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228044136960 is an abundant number, since it is smaller than the sum of its proper divisors (561736926540).

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

228044136960 is an equidigital number, since it uses as much as digits as its factorization.

228044136960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897778 (or 9897759 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 228044136960 in words is "two hundred twenty-eight billion, forty-four million, one hundred thirty-six thousand, nine hundred sixty".