18204802448 has 20 divisors (see below), whose sum is σ = 40310634240. Its totient is φ = 7802058144.

The previous prime is 18204802417. The next prime is 18204802471. The reversal of 18204802448 is 84420840281.

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 3 ways as a sum of consecutive naturals, for example, 81271328 + ... + 81271551.

It is an arithmetic number, because the mean of its divisors is an integer number (2015531712).

Almost surely, 2^18204802448 is an apocalyptic number.

It is an amenable number.

18204802448 is an abundant number, since it is smaller than the sum of its proper divisors (22105831792).

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

18204802448 is a wasteful number, since it uses less digits than its factorization.

18204802448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162542894 (or 162542888 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 41.

The spelling of 18204802448 in words is "eighteen billion, two hundred four million, eight hundred two thousand, four hundred forty-eight".