19118044 has 12 divisors (see below), whose sum is σ = 36498168. Its totient is φ = 8690000.

The previous prime is 19118027. The next prime is 19118059. The reversal of 19118044 is 44081191.

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, 217207 + ... + 217294.

It is an arithmetic number, because the mean of its divisors is an integer number (3041514).

Almost surely, 2^19118044 is an apocalyptic number.

It is an amenable number.

19118044 is a deficient number, since it is larger than the sum of its proper divisors (17380124).

19118044 is a wasteful number, since it uses less digits than its factorization.

19118044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434516 (or 434514 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 19118044 is about 4372.4185527006. The cubic root of 19118044 is about 267.3916363130.

The spelling of 19118044 in words is "nineteen million, one hundred eighteen thousand, forty-four".