1044056039 has 16 divisors (see below), whose sum is σ = 1158999072. Its totient is φ = 934391808.

The previous prime is 1044055949. The next prime is 1044056051. The reversal of 1044056039 is 9306504401.

It is a cyclic number.

It is not a de Polignac number, because 1044056039 - 2⁸ = 1044055783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1044055996 and 1044056014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044056539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69767 + ... + 83399.

It is an arithmetic number, because the mean of its divisors is an integer number (72437442).

Almost surely, 2^1044056039 is an apocalyptic number.

1044056039 is a deficient number, since it is larger than the sum of its proper divisors (114943033).

1044056039 is a wasteful number, since it uses less digits than its factorization.

1044056039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13826.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1044056039 is about 32311.8560129250. The cubic root of 1044056039 is about 1014.4748151377.

The spelling of 1044056039 in words is "one billion, forty-four million, fifty-six thousand, thirty-nine".