228775746240 has 84 divisors (see below), whose sum is σ = 786893253744. Its totient is φ = 61006864896.

The previous prime is 228775746233. The next prime is 228775746253. The reversal of 228775746240 is 42647577822.

228775746240 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 7 + 5 + 7 + 4 + 624 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39715132 + ... + 39720891.

Almost surely, 2^228775746240 is an apocalyptic number.

228775746240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228775746240 is an abundant number, since it is smaller than the sum of its proper divisors (558117507504).

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

228775746240 is a wasteful number, since it uses less digits than its factorization.

228775746240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79436046 (or 79436033 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

The spelling of 228775746240 in words is "two hundred twenty-eight billion, seven hundred seventy-five million, seven hundred forty-six thousand, two hundred forty".