2005541044 has 24 divisors (see below), whose sum is σ = 3881830568. Its totient is φ = 900616320.

The previous prime is 2005541033. The next prime is 2005541053. The reversal of 2005541044 is 4401455002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18164644 + 1987376400 = 4262^2 + 44580^2 .

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, 519267 + ... + 523114.

Almost surely, 2^2005541044 is an apocalyptic number.

It is an amenable number.

2005541044 is a deficient number, since it is larger than the sum of its proper divisors (1876289524).

2005541044 is a wasteful number, since it uses less digits than its factorization.

2005541044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042435 (or 1042433 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2005541044 is about 44783.2674556022. The cubic root of 2005541044 is about 1261.0835233312.

Adding to 2005541044 its reverse (4401455002), we get a palindrome (6406996046).

The spelling of 2005541044 in words is "two billion, five million, five hundred forty-one thousand, forty-four".