18200875860 has 72 divisors (see below), whose sum is σ = 55227594240. Its totient is φ = 4851960768.

The previous prime is 18200875829. The next prime is 18200875873. The reversal of 18200875860 is 6857800281.

It is a super-2 number, since 2×18200875860² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589569 + ... + 619671.

It is an arithmetic number, because the mean of its divisors is an integer number (767049920).

Almost surely, 2^18200875860 is an apocalyptic number.

18200875860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18200875860 is an abundant number, since it is smaller than the sum of its proper divisors (37026718380).

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

18200875860 is a wasteful number, since it uses less digits than its factorization.

18200875860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477 (or 33472 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 18200875860 in words is "eighteen billion, two hundred million, eight hundred seventy-five thousand, eight hundred sixty".