4003881664 has 28 divisors (see below), whose sum is σ = 7951813408. Its totient is φ = 2000275200.

The previous prime is 4003881649. The next prime is 4003881671. The reversal of 4003881664 is 4661883004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53374 + ... + 104194.

It is an arithmetic number, because the mean of its divisors is an integer number (283993336).

Almost surely, 2^4003881664 is an apocalyptic number.

It is an amenable number.

4003881664 is a deficient number, since it is larger than the sum of its proper divisors (3947931744).

4003881664 is a wasteful number, since it uses less digits than its factorization.

4003881664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52064 (or 52054 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 4003881664 is about 63276.2330105072. The cubic root of 4003881664 is about 1587.9143657544.

The spelling of 4003881664 in words is "four billion, three million, eight hundred eighty-one thousand, six hundred sixty-four".