1044618868 has 6 divisors (see below), whose sum is σ = 1828083026. Its totient is φ = 522309432.

The previous prime is 1044618857. The next prime is 1044618871. The reversal of 1044618868 is 8688164401.

It can be written as a sum of positive squares in only one way, i.e., 643738384 + 400880484 = 25372^2 + 20022^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130577355 + ... + 130577362.

Almost surely, 2^1044618868 is an apocalyptic number.

It is an amenable number.

1044618868 is a deficient number, since it is larger than the sum of its proper divisors (783464158).

1044618868 is a wasteful number, since it uses less digits than its factorization.

1044618868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261154721 (or 261154719 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 1044618868 is about 32320.5641658681. The cubic root of 1044618868 is about 1014.6570765153.

The spelling of 1044618868 in words is "one billion, forty-four million, six hundred eighteen thousand, eight hundred sixty-eight".