18054302808 has 32 divisors (see below), whose sum is σ = 45143631360. Its totient is φ = 6017051040.

The previous prime is 18054302771. The next prime is 18054302813. The reversal of 18054302808 is 80820345081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81553 + ... + 206783.

It is an arithmetic number, because the mean of its divisors is an integer number (1410738480).

Almost surely, 2^18054302808 is an apocalyptic number.

It is an amenable number.

18054302808 is an abundant number, since it is smaller than the sum of its proper divisors (27089328552).

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

18054302808 is a wasteful number, since it uses less digits than its factorization.

18054302808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131247 (or 131243 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

Adding to 18054302808 its reverse (80820345081), we get a palindrome (98874647889).

The spelling of 18054302808 in words is "eighteen billion, fifty-four million, three hundred two thousand, eight hundred eight".