18454174932 has 24 divisors (see below), whose sum is σ = 43065038016. Its totient is φ = 6150635008.

The previous prime is 18454174891. The next prime is 18454174939. The reversal of 18454174932 is 23947145481.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18454174939) 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, 11833 + ... + 192479.

It is an arithmetic number, because the mean of its divisors is an integer number (1794376584).

Almost surely, 2^18454174932 is an apocalyptic number.

18454174932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18454174932 is an abundant number, since it is smaller than the sum of its proper divisors (24610863084).

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

18454174932 is a wasteful number, since it uses less digits than its factorization.

18454174932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189167 (or 189165 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 18454174932 in words is "eighteen billion, four hundred fifty-four million, one hundred seventy-four thousand, nine hundred thirty-two".