2040944465 has 16 divisors (see below), whose sum is σ = 2800103040. Its totient is φ = 1398958080.

The previous prime is 2040944459. The next prime is 2040944509. The reversal of 2040944465 is 5644490402.

It is not a de Polignac number, because 2040944465 - 2¹⁰ = 2040943441 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 92945 + ... + 112785.

It is an arithmetic number, because the mean of its divisors is an integer number (175006440).

Almost surely, 2^2040944465 is an apocalyptic number.

It is an amenable number.

2040944465 is a deficient number, since it is larger than the sum of its proper divisors (759158575).

2040944465 is a wasteful number, since it uses less digits than its factorization.

2040944465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22792.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 2040944465 is about 45176.8133559683. The cubic root of 2040944465 is about 1268.4608350687.

The spelling of 2040944465 in words is "two billion, forty million, nine hundred forty-four thousand, four hundred sixty-five".