2044392918 has 32 divisors (see below), whose sum is σ = 4159421280. Its totient is φ = 669711360.

The previous prime is 2044392899. The next prime is 2044392941. The reversal of 2044392918 is 8192934402.

It is a self number, because there is not a number n which added to its sum of digits gives 2044392918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689896 + ... + 692852.

It is an arithmetic number, because the mean of its divisors is an integer number (129981915).

Almost surely, 2^2044392918 is an apocalyptic number.

2044392918 is an abundant number, since it is smaller than the sum of its proper divisors (2115028362).

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

2044392918 is a wasteful number, since it uses less digits than its factorization.

2044392918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 2044392918 is about 45214.9634302628. The cubic root of 2044392918 is about 1269.1748453941.

The spelling of 2044392918 in words is "two billion, forty-four million, three hundred ninety-two thousand, nine hundred eighteen".