4400445165 has 8 divisors (see below), whose sum is σ = 7040712288. Its totient is φ = 2346904080.

The previous prime is 4400445149. The next prime is 4400445191. The reversal of 4400445165 is 5615440044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4400445165 - 2⁴ = 4400445149 is a prime.

It is a Curzon number.

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, 146681491 + ... + 146681520.

It is an arithmetic number, because the mean of its divisors is an integer number (880089036).

Almost surely, 2^4400445165 is an apocalyptic number.

It is an amenable number.

4400445165 is a deficient number, since it is larger than the sum of its proper divisors (2640267123).

4400445165 is a wasteful number, since it uses less digits than its factorization.

4400445165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293363019.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 4400445165 is about 66335.8512796813. The cubic root of 4400445165 is about 1638.6978019367.

The spelling of 4400445165 in words is "four billion, four hundred million, four hundred forty-five thousand, one hundred sixty-five".