2003012044 has 12 divisors (see below), whose sum is σ = 3823932168. Its totient is φ = 910460000.

The previous prime is 2003012003. The next prime is 2003012047. The reversal of 2003012044 is 4402103002.

It is not an unprimeable number, because it can be changed into a prime (2003012047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22761457 + ... + 22761544.

It is an arithmetic number, because the mean of its divisors is an integer number (318661014).

Almost surely, 2^2003012044 is an apocalyptic number.

It is an amenable number.

2003012044 is a deficient number, since it is larger than the sum of its proper divisors (1820920124).

2003012044 is a wasteful number, since it uses less digits than its factorization.

2003012044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45523016 (or 45523014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2003012044 is about 44755.0225561333. The cubic root of 2003012044 is about 1260.5532222523.

Adding to 2003012044 its reverse (4402103002), we get a palindrome (6405115046).

The spelling of 2003012044 in words is "two billion, three million, twelve thousand, forty-four".