18800830404 has 24 divisors (see below), whose sum is σ = 48742893920. Its totient is φ = 6266943432.

The previous prime is 18800830379. The next prime is 18800830421. The reversal of 18800830404 is 40403800881.

It is a super-4 number, since 4×18800830404⁴ (a number of 42 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87040774 + ... + 87040989.

Almost surely, 2^18800830404 is an apocalyptic number.

It is an amenable number.

18800830404 is an abundant number, since it is smaller than the sum of its proper divisors (29942063516).

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

18800830404 is a wasteful number, since it uses less digits than its factorization.

18800830404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174081776 (or 174081768 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 18800830404 in words is "eighteen billion, eight hundred million, eight hundred thirty thousand, four hundred four".