18476648900 has 36 divisors (see below), whose sum is σ = 42452821908. Its totient is φ = 6955914240.

The previous prime is 18476648899. The next prime is 18476648921. The reversal of 18476648900 is 984667481.

It can be written as a sum of positive squares in 6 ways, for example, as 370793536 + 18105855364 = 19256^2 + 134558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5432609 + ... + 5436008.

It is an arithmetic number, because the mean of its divisors is an integer number (1179245053).

Almost surely, 2^18476648900 is an apocalyptic number.

18476648900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18476648900 is an abundant number, since it is smaller than the sum of its proper divisors (23976173008).

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

18476648900 is a wasteful number, since it uses less digits than its factorization.

18476648900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868648 (or 10868641 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 18476648900 in words is "eighteen billion, four hundred seventy-six million, six hundred forty-eight thousand, nine hundred".