2005244044 has 48 divisors (see below), whose sum is σ = 3778790400. Its totient is φ = 927703296.

The previous prime is 2005244039. The next prime is 2005244057. The reversal of 2005244044 is 4404425002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519617 + ... + 1520935.

It is an arithmetic number, because the mean of its divisors is an integer number (78724800).

Almost surely, 2^2005244044 is an apocalyptic number.

It is an amenable number.

2005244044 is a deficient number, since it is larger than the sum of its proper divisors (1773546356).

2005244044 is a wasteful number, since it uses less digits than its factorization.

2005244044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2005244044 is about 44779.9513621889. The cubic root of 2005244044 is about 1261.0212690918.

Adding to 2005244044 its reverse (4404425002), we get a palindrome (6409669046).

It can be divided in two parts, 20052440 and 44, that added together give a square (20052484 = 4478²).

The spelling of 2005244044 in words is "two billion, five million, two hundred forty-four thousand, forty-four".