18454023182 has 48 divisors (see below), whose sum is σ = 35368928640. Its totient is φ = 7166828592.

The previous prime is 18454023169. The next prime is 18454023187. The reversal of 18454023182 is 28132045481.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18454023187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172628 + ... + 258279.

It is an arithmetic number, because the mean of its divisors is an integer number (736852680).

Almost surely, 2^18454023182 is an apocalyptic number.

18454023182 is a deficient number, since it is larger than the sum of its proper divisors (16914905458).

18454023182 is a wasteful number, since it uses less digits than its factorization.

18454023182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430965 (or 430958 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 18454023182 in words is "eighteen billion, four hundred fifty-four million, twenty-three thousand, one hundred eighty-two".