228468564768 has 24 divisors (see below), whose sum is σ = 599729982768. Its totient is φ = 76156188224.

The previous prime is 228468564749. The next prime is 228468564769. The reversal of 228468564768 is 867465864822.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 228468564699 and 228468564708.

It is not an unprimeable number, because it can be changed into a prime (228468564769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189940346 + ... + 1189940537.

It is an arithmetic number, because the mean of its divisors is an integer number (24988749282).

Almost surely, 2^228468564768 is an apocalyptic number.

It is an amenable number.

228468564768 is an abundant number, since it is smaller than the sum of its proper divisors (371261418000).

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

228468564768 is a wasteful number, since it uses less digits than its factorization.

228468564768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379880896 (or 2379880888 counting only the distinct ones).

The product of its digits is 247726080, while the sum is 66.

The spelling of 228468564768 in words is "two hundred twenty-eight billion, four hundred sixty-eight million, five hundred sixty-four thousand, seven hundred sixty-eight".