18578262228900 has 144 divisors (see below), whose sum is σ = 58641349213440. Its totient is φ = 4503698422400.

The previous prime is 18578262228881. The next prime is 18578262228913. The reversal of 18578262228900 is 982226287581.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200524387 + ... + 200617013.

It is an arithmetic number, because the mean of its divisors is an integer number (407231591760).

Almost surely, 2^{18578262228900} is an apocalyptic number.

18578262228900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18578262228900 is an abundant number, since it is smaller than the sum of its proper divisors (40063086984540).

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

18578262228900 is a wasteful number, since it uses less digits than its factorization.

18578262228900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153434 (or 153427 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 18578262228900 in words is "eighteen trillion, five hundred seventy-eight billion, two hundred sixty-two million, two hundred twenty-eight thousand, nine hundred".