18343674272 has 48 divisors (see below), whose sum is σ = 45025388352. Its totient is φ = 7146885120.

The previous prime is 18343674263. The next prime is 18343674343. The reversal of 18343674272 is 27247634381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3719873 + ... + 3724800.

It is an arithmetic number, because the mean of its divisors is an integer number (938028924).

Almost surely, 2^18343674272 is an apocalyptic number.

It is an amenable number.

18343674272 is an abundant number, since it is smaller than the sum of its proper divisors (26681714080).

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

18343674272 is a wasteful number, since it uses less digits than its factorization.

18343674272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444701 (or 7444693 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 47.

The spelling of 18343674272 in words is "eighteen billion, three hundred forty-three million, six hundred seventy-four thousand, two hundred seventy-two".