18483492840 has 32 divisors (see below), whose sum is σ = 55450478880. Its totient is φ = 4928931392.

The previous prime is 18483492823. The next prime is 18483492869. The reversal of 18483492840 is 4829438481.

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, 77014434 + ... + 77014673.

It is an arithmetic number, because the mean of its divisors is an integer number (1732827465).

Almost surely, 2^18483492840 is an apocalyptic number.

18483492840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18483492840 is an abundant number, since it is smaller than the sum of its proper divisors (36966986040).

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

18483492840 is a wasteful number, since it uses less digits than its factorization.

18483492840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154029121 (or 154029117 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 18483492840 in words is "eighteen billion, four hundred eighty-three million, four hundred ninety-two thousand, eight hundred forty".