18492542274 has 16 divisors (see below), whose sum is σ = 36989191008. Its totient is φ = 6163496352.

The previous prime is 18492542261. The next prime is 18492542293. The reversal of 18492542274 is 47224529481.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110932 + ... + 222015.

It is an arithmetic number, because the mean of its divisors is an integer number (2311824438).

Almost surely, 2^18492542274 is an apocalyptic number.

18492542274 is an abundant number, since it is smaller than the sum of its proper divisors (18496648734).

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

18492542274 is a wasteful number, since it uses less digits than its factorization.

18492542274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342209.

The product of its digits is 1290240, while the sum is 48.

The spelling of 18492542274 in words is "eighteen billion, four hundred ninety-two million, five hundred forty-two thousand, two hundred seventy-four".