18481022828 has 24 divisors (see below), whose sum is σ = 34053631920. Its totient is φ = 8751689280.

The previous prime is 18481022827. The next prime is 18481022831. The reversal of 18481022828 is 82822018481.

It is not an unprimeable number, because it can be changed into a prime (18481022827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251138 + ... + 316278.

It is an arithmetic number, because the mean of its divisors is an integer number (1418901330).

Almost surely, 2^18481022828 is an apocalyptic number.

It is an amenable number.

18481022828 is a deficient number, since it is larger than the sum of its proper divisors (15572609092).

18481022828 is a wasteful number, since it uses less digits than its factorization.

18481022828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68897 (or 68895 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 18481022828 in words is "eighteen billion, four hundred eighty-one million, twenty-two thousand, eight hundred twenty-eight".