228742584768 has 70 divisors (see below), whose sum is σ = 678064695176. Its totient is φ = 76247526528.

The previous prime is 228742584713. The next prime is 228742584787. The reversal of 228742584768 is 867485247822.

228742584768 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 42 + 584 + 7 + 6 + 8 = 666.

It is a super-2 number, since 2×228742584768² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22057180 + ... + 22067547.

Almost surely, 2^228742584768 is an apocalyptic number.

It is an amenable number.

228742584768 is an abundant number, since it is smaller than the sum of its proper divisors (449322110408).

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

228742584768 is an equidigital number, since it uses as much as digits as its factorization.

228742584768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44124751 (or 44124732 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 63.

The spelling of 228742584768 in words is "two hundred twenty-eight billion, seven hundred forty-two million, five hundred eighty-four thousand, seven hundred sixty-eight".