18041805100 has 36 divisors (see below), whose sum is σ = 42709875768. Its totient is φ = 6560656000.

The previous prime is 18041805083. The next prime is 18041805163. The reversal of 18041805100 is 150814081.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8199721 + ... + 8201920.

It is an arithmetic number, because the mean of its divisors is an integer number (1186385438).

Almost surely, 2^18041805100 is an apocalyptic number.

18041805100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18041805100 is an abundant number, since it is smaller than the sum of its proper divisors (24668070668).

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

18041805100 is a wasteful number, since it uses less digits than its factorization.

18041805100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401666 (or 16401659 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The spelling of 18041805100 in words is "eighteen billion, forty-one million, eight hundred five thousand, one hundred".