18304745004208 has 40 divisors (see below), whose sum is σ = 39006183319488. Its totient is φ = 8268591846912.

The previous prime is 18304745004191. The next prime is 18304745004253. The reversal of 18304745004208 is 80240054740381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936198541 + ... + 936218092.

Almost surely, 2^{18304745004208} is an apocalyptic number.

It is an amenable number.

18304745004208 is an abundant number, since it is smaller than the sum of its proper divisors (20701438315280).

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

18304745004208 is a wasteful number, since it uses less digits than its factorization.

18304745004208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872416701 (or 1872416695 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

Adding to 18304745004208 its reverse (80240054740381), we get a palindrome (98544799744589).

The spelling of 18304745004208 in words is "eighteen trillion, three hundred four billion, seven hundred forty-five million, four thousand, two hundred eight".