4401993662 has 16 divisors (see below), whose sum is σ = 7209225072. Its totient is φ = 1999249920.

The previous prime is 4401993653. The next prime is 4401993679. The reversal of 4401993662 is 2663991044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55433 + ... + 108980.

It is an arithmetic number, because the mean of its divisors is an integer number (450576567).

Almost surely, 2^4401993662 is an apocalyptic number.

4401993662 is a deficient number, since it is larger than the sum of its proper divisors (2807231410).

4401993662 is a wasteful number, since it uses less digits than its factorization.

4401993662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165643.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4401993662 is about 66347.5218979579. The cubic root of 4401993662 is about 1638.8899962069.

The spelling of 4401993662 in words is "four billion, four hundred one million, nine hundred ninety-three thousand, six hundred sixty-two".