2001044244 has 48 divisors (see below), whose sum is σ = 4816594496. Its totient is φ = 646272000.

The previous prime is 2001044231. The next prime is 2001044251. The reversal of 2001044244 is 4424401002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001044244.

It is a congruent 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, 28644 + ... + 69444.

Almost surely, 2^2001044244 is an apocalyptic number.

It is an amenable number.

2001044244 is an abundant number, since it is smaller than the sum of its proper divisors (2815550252).

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

2001044244 is a wasteful number, since it uses less digits than its factorization.

2001044244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40936 (or 40934 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2001044244 is about 44733.0330292950. The cubic root of 2001044244 is about 1260.1402892422.

Adding to 2001044244 its reverse (4424401002), we get a palindrome (6425445246).

The spelling of 2001044244 in words is "two billion, one million, forty-four thousand, two hundred forty-four".