2005443044 has 48 divisors (see below), whose sum is σ = 3909306240. Its totient is φ = 892419840.

The previous prime is 2005443043. The next prime is 2005443049. The reversal of 2005443044 is 4403445002.

It is not an unprimeable number, because it can be changed into a prime (2005443043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1886057 + ... + 1887119.

It is an arithmetic number, because the mean of its divisors is an integer number (81443880).

Almost surely, 2^2005443044 is an apocalyptic number.

It is an amenable number.

2005443044 is a deficient number, since it is larger than the sum of its proper divisors (1903863196).

2005443044 is a wasteful number, since it uses less digits than its factorization.

2005443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2005443044 is about 44782.1732835735. The cubic root of 2005443044 is about 1261.0629822077.

Adding to 2005443044 its reverse (4403445002), we get a palindrome (6408888046).

The spelling of 2005443044 in words is "two billion, five million, four hundred forty-three thousand, forty-four".