1044387996 has 24 divisors (see below), whose sum is σ = 2580253200. Its totient is φ = 327651072.

The previous prime is 1044387983. The next prime is 1044388001. The reversal of 1044387996 is 6997834401.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559571 + ... + 2559978.

It is an arithmetic number, because the mean of its divisors is an integer number (107510550).

Almost surely, 2^1044387996 is an apocalyptic number.

It is an amenable number.

1044387996 is an abundant number, since it is smaller than the sum of its proper divisors (1535865204).

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

1044387996 is a wasteful number, since it uses less digits than its factorization.

1044387996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119573 (or 5119571 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1044387996 is about 32316.9923724347. The cubic root of 1044387996 is about 1014.5823209671.

The spelling of 1044387996 in words is "one billion, forty-four million, three hundred eighty-seven thousand, nine hundred ninety-six".