4449765668 has 24 divisors (see below), whose sum is σ = 8042791680. Its totient is φ = 2151905760.

The previous prime is 4449765659. The next prime is 4449765709. The reversal of 4449765668 is 8665679444.

It is a super-2 number, since 2×4449765668² = 39600829000222972448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236330 + ... + 254462.

It is an arithmetic number, because the mean of its divisors is an integer number (335116320).

Almost surely, 2^4449765668 is an apocalyptic number.

It is an amenable number.

4449765668 is a deficient number, since it is larger than the sum of its proper divisors (3593026012).

4449765668 is a wasteful number, since it uses less digits than its factorization.

4449765668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20147 (or 20145 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 59.

The square root of 4449765668 is about 66706.5639049112. The cubic root of 4449765668 is about 1644.7972844808.

The spelling of 4449765668 in words is "four billion, four hundred forty-nine million, seven hundred sixty-five thousand, six hundred sixty-eight".