1044879149 has 16 divisors (see below), whose sum is σ = 1123000320. Its totient is φ = 970289280.

The previous prime is 1044879107. The next prime is 1044879161. The reversal of 1044879149 is 9419784401.

It is a cyclic number.

It is not a de Polignac number, because 1044879149 - 2⁸ = 1044878893 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044873149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77492 + ... + 89970.

It is an arithmetic number, because the mean of its divisors is an integer number (70187520).

Almost surely, 2^1044879149 is an apocalyptic number.

It is an amenable number.

1044879149 is a deficient number, since it is larger than the sum of its proper divisors (78121171).

1044879149 is a wasteful number, since it uses less digits than its factorization.

1044879149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1044879149 is about 32324.5904691769. The cubic root of 1044879149 is about 1014.7413413878.

The spelling of 1044879149 in words is "one billion, forty-four million, eight hundred seventy-nine thousand, one hundred forty-nine".