4044345839 has 16 divisors (see below), whose sum is σ = 4250459136. Its totient is φ = 3843590400.

The previous prime is 4044345827. The next prime is 4044345841. The reversal of 4044345839 is 9385434404.

It is a cyclic number.

It is not a de Polignac number, because 4044345839 - 2⁸ = 4044345583 is a prime.

It is a super-2 number, since 2×4044345839² = 32713466530873227842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4044345839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044344839) 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, 388784 + ... + 399050.

It is an arithmetic number, because the mean of its divisors is an integer number (265653696).

Almost surely, 2^4044345839 is an apocalyptic number.

4044345839 is a deficient number, since it is larger than the sum of its proper divisors (206113297).

4044345839 is a wasteful number, since it uses less digits than its factorization.

4044345839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 4044345839 is about 63595.1715069627. The cubic root of 4044345839 is about 1593.2457252658.

The spelling of 4044345839 in words is "four billion, forty-four million, three hundred forty-five thousand, eight hundred thirty-nine".