4039944668 has 24 divisors (see below), whose sum is σ = 7491884400. Its totient is φ = 1899600128.

The previous prime is 4039944637. The next prime is 4039944677. The reversal of 4039944668 is 8664499304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62018 + ... + 109206.

It is an arithmetic number, because the mean of its divisors is an integer number (312161850).

Almost surely, 2^4039944668 is an apocalyptic number.

It is an amenable number.

4039944668 is a deficient number, since it is larger than the sum of its proper divisors (3451939732).

4039944668 is a wasteful number, since it uses less digits than its factorization.

4039944668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48469 (or 48467 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 53.

The square root of 4039944668 is about 63560.5590598447. The cubic root of 4039944668 is about 1592.6675772121.

The spelling of 4039944668 in words is "four billion, thirty-nine million, nine hundred forty-four thousand, six hundred sixty-eight".