18034413044 has 12 divisors (see below), whose sum is σ = 31562926500. Its totient is φ = 9016434048.

The previous prime is 18034413037. The next prime is 18034413083. The reversal of 18034413044 is 44031443081.

It can be written as a sum of positive squares in 2 ways, for example, as 13424003044 + 4610410000 = 115862^2 + 67900^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18034413044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138899 + ... + 235290.

It is an arithmetic number, because the mean of its divisors is an integer number (2630243875).

Almost surely, 2^18034413044 is an apocalyptic number.

It is an amenable number.

18034413044 is a deficient number, since it is larger than the sum of its proper divisors (13528513456).

18034413044 is a wasteful number, since it uses less digits than its factorization.

18034413044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386242 (or 386240 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 18034413044 in words is "eighteen billion, thirty-four million, four hundred thirteen thousand, forty-four".