2044558366 has 16 divisors (see below), whose sum is σ = 3204597024. Its totient is φ = 976482144.

The previous prime is 2044558361. The next prime is 2044558379. The reversal of 2044558366 is 6638554402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044558361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400 + ... + 64036.

It is an arithmetic number, because the mean of its divisors is an integer number (200287314).

Almost surely, 2^2044558366 is an apocalyptic number.

2044558366 is a deficient number, since it is larger than the sum of its proper divisors (1160038658).

2044558366 is a wasteful number, since it uses less digits than its factorization.

2044558366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61395.

The product of its (nonzero) digits is 691200, while the sum is 43.

The square root of 2044558366 is about 45216.7929645613. The cubic root of 2044558366 is about 1269.2090816008.

The spelling of 2044558366 in words is "two billion, forty-four million, five hundred fifty-eight thousand, three hundred sixty-six".