4044731385 has 32 divisors (see below), whose sum is σ = 6650646912. Its totient is φ = 2097835520.

The previous prime is 4044731377. The next prime is 4044731399. The reversal of 4044731385 is 5831374404.

It is not a de Polignac number, because 4044731385 - 2³ = 4044731377 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 184582 + ... + 205328.

It is an arithmetic number, because the mean of its divisors is an integer number (207832716).

Almost surely, 2^4044731385 is an apocalyptic number.

It is an amenable number.

4044731385 is a deficient number, since it is larger than the sum of its proper divisors (2605915527).

4044731385 is a wasteful number, since it uses less digits than its factorization.

4044731385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21113.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 4044731385 is about 63598.2026868684. The cubic root of 4044731385 is about 1593.2963514999.

The spelling of 4044731385 in words is "four billion, forty-four million, seven hundred thirty-one thousand, three hundred eighty-five".