444047039 has 16 divisors (see below), whose sum is σ = 473091840. Its totient is φ = 415873920.

The previous prime is 444047033. The next prime is 444047041. The reversal of 444047039 is 930740444.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444047039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444047033) 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, 456824 + ... + 457794.

It is an arithmetic number, because the mean of its divisors is an integer number (29568240).

Almost surely, 2^444047039 is an apocalyptic number.

444047039 is a deficient number, since it is larger than the sum of its proper divisors (29044801).

444047039 is a wasteful number, since it uses less digits than its factorization.

444047039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 444047039 is about 21072.4236622179. The cubic root of 444047039 is about 762.9153027043.

The spelling of 444047039 in words is "four hundred forty-four million, forty-seven thousand, thirty-nine".