4400445164 has 24 divisors (see below), whose sum is σ = 8027918976. Its totient is φ = 2108160000.

The previous prime is 4400445149. The next prime is 4400445191. The reversal of 4400445164 is 4615440044.

It is a self number, because there is not a number n which added to its sum of digits gives 4400445164.

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, 163157 + ... + 188204.

It is an arithmetic number, because the mean of its divisors is an integer number (334496624).

Almost surely, 2^4400445164 is an apocalyptic number.

It is an amenable number.

4400445164 is a deficient number, since it is larger than the sum of its proper divisors (3627473812).

4400445164 is a wasteful number, since it uses less digits than its factorization.

4400445164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351497 (or 351495 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 4400445164 is about 66335.8512721439. The cubic root of 4400445164 is about 1638.6978018126.

The spelling of 4400445164 in words is "four billion, four hundred million, four hundred forty-five thousand, one hundred sixty-four".