2044344665 has 32 divisors (see below), whose sum is σ = 2799982080. Its totient is φ = 1419596800.

The previous prime is 2044344661. The next prime is 2044344689. The reversal of 2044344665 is 5664434402.

It is not a de Polignac number, because 2044344665 - 2² = 2044344661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2044344661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96341 + ... + 115629.

It is an arithmetic number, because the mean of its divisors is an integer number (87499440).

Almost surely, 2^2044344665 is an apocalyptic number.

It is an amenable number.

2044344665 is a deficient number, since it is larger than the sum of its proper divisors (755637415).

2044344665 is a wasteful number, since it uses less digits than its factorization.

2044344665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393.

The product of its (nonzero) digits is 276480, while the sum is 38.

The square root of 2044344665 is about 45214.4298316367. The cubic root of 2044344665 is about 1269.1648600377.

The spelling of 2044344665 in words is "two billion, forty-four million, three hundred forty-four thousand, six hundred sixty-five".