18582726442 has 16 divisors (see below), whose sum is σ = 32331568320. Its totient is φ = 7845159168.

The previous prime is 18582726439. The next prime is 18582726499. The reversal of 18582726442 is 24462728581.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9904567 + ... + 9906442.

It is an arithmetic number, because the mean of its divisors is an integer number (2020723020).

Almost surely, 2^18582726442 is an apocalyptic number.

18582726442 is a deficient number, since it is larger than the sum of its proper divisors (13748841878).

18582726442 is a wasteful number, since it uses less digits than its factorization.

18582726442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19811085.

The product of its digits is 1720320, while the sum is 49.

The spelling of 18582726442 in words is "eighteen billion, five hundred eighty-two million, seven hundred twenty-six thousand, four hundred forty-two".