268426511888 has 20 divisors (see below), whose sum is σ = 547448807760. Its totient is φ = 127149400224.

The previous prime is 268426511849. The next prime is 268426511897. The reversal of 268426511888 is 888115624862.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441490670 + ... + 441491277.

It is an arithmetic number, because the mean of its divisors is an integer number (27372440388).

Almost surely, 2^268426511888 is an apocalyptic number.

It is an amenable number.

268426511888 is an abundant number, since it is smaller than the sum of its proper divisors (279022295872).

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

268426511888 is a wasteful number, since it uses less digits than its factorization.

268426511888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882981974 (or 882981968 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 59.

The spelling of 268426511888 in words is "two hundred sixty-eight billion, four hundred twenty-six million, five hundred eleven thousand, eight hundred eighty-eight".