2045020044 has 24 divisors (see below), whose sum is σ = 4900679728. Its totient is φ = 663249600.

The previous prime is 2045020037. The next prime is 2045020067. The reversal of 2045020044 is 4400205402.

2045020044 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2045020044.

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, 2302507 + ... + 2303394.

Almost surely, 2^2045020044 is an apocalyptic number.

It is an amenable number.

2045020044 is an abundant number, since it is smaller than the sum of its proper divisors (2855659684).

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

2045020044 is a wasteful number, since it uses less digits than its factorization.

2045020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605945 (or 4605943 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2045020044 is about 45221.8978372204. The cubic root of 2045020044 is about 1269.3046070079.

Adding to 2045020044 its reverse (4400205402), we get a palindrome (6445225446).

The spelling of 2045020044 in words is "two billion, forty-five million, twenty thousand, forty-four".