2005765044 has 24 divisors (see below), whose sum is σ = 4779696768. Its totient is φ = 654362880.

The previous prime is 2005765031. The next prime is 2005765051. The reversal of 2005765044 is 4405675002.

It is a junction number, because it is equal to n+sod(n) for n = 2005764996 and 2005765014.

It is a congruent number.

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, 1777597 + ... + 1778724.

It is an arithmetic number, because the mean of its divisors is an integer number (199154032).

Almost surely, 2^2005765044 is an apocalyptic number.

It is an amenable number.

2005765044 is an abundant number, since it is smaller than the sum of its proper divisors (2773931724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005765044 is a wasteful number, since it uses less digits than its factorization.

2005765044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556375 (or 3556373 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 2005765044 is about 44785.7683198580. The cubic root of 2005765044 is about 1261.1304719578.

The spelling of 2005765044 in words is "two billion, five million, seven hundred sixty-five thousand, forty-four".