18449419182 has 32 divisors (see below), whose sum is σ = 36981360000. Its totient is φ = 6136071648.

The previous prime is 18449419181. The next prime is 18449419207. The reversal of 18449419182 is 28191494481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18449419181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7886569 + ... + 7888907.

It is an arithmetic number, because the mean of its divisors is an integer number (1155667500).

Almost surely, 2^18449419182 is an apocalyptic number.

18449419182 is an abundant number, since it is smaller than the sum of its proper divisors (18531940818).

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

18449419182 is a wasteful number, since it uses less digits than its factorization.

18449419182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720.

The product of its digits is 663552, while the sum is 51.

The spelling of 18449419182 in words is "eighteen billion, four hundred forty-nine million, four hundred nineteen thousand, one hundred eighty-two".