18298560228 has 24 divisors (see below), whose sum is σ = 45980997888. Its totient is φ = 5630326176.

The previous prime is 18298560211. The next prime is 18298560233. The reversal of 18298560228 is 82206589281.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58649076 + ... + 58649387.

It is an arithmetic number, because the mean of its divisors is an integer number (1915874912).

Almost surely, 2^18298560228 is an apocalyptic number.

It is an amenable number.

18298560228 is an abundant number, since it is smaller than the sum of its proper divisors (27682437660).

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

18298560228 is a wasteful number, since it uses less digits than its factorization.

18298560228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117298483 (or 117298481 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 18298560228 in words is "eighteen billion, two hundred ninety-eight million, five hundred sixty thousand, two hundred twenty-eight".