18441279122 has 32 divisors (see below), whose sum is σ = 33607025280. Its totient is φ = 7413292800.

The previous prime is 18441279071. The next prime is 18441279211. The reversal of 18441279122 is 22197214481.

It is a self number, because there is not a number n which added to its sum of digits gives 18441279122.

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 15 ways as a sum of consecutive naturals, for example, 316343 + ... + 370074.

It is an arithmetic number, because the mean of its divisors is an integer number (1050219540).

Almost surely, 2^18441279122 is an apocalyptic number.

18441279122 is a deficient number, since it is larger than the sum of its proper divisors (15165746158).

18441279122 is a wasteful number, since it uses less digits than its factorization.

18441279122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686546.

The product of its digits is 64512, while the sum is 41.

The spelling of 18441279122 in words is "eighteen billion, four hundred forty-one million, two hundred seventy-nine thousand, one hundred twenty-two".