2044240290 has 24 divisors (see below), whose sum is σ = 5315024988. Its totient is φ = 545130720.

The previous prime is 2044240181. The next prime is 2044240291. The reversal of 2044240290 is 920424402.

It can be written as a sum of positive squares in 2 ways, for example, as 2035543689 + 8696601 = 45117^2 + 2949^2 .

It is not an unprimeable number, because it can be changed into a prime (2044240291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11356801 + ... + 11356980.

Almost surely, 2^2044240290 is an apocalyptic number.

2044240290 is an abundant number, since it is smaller than the sum of its proper divisors (3270784698).

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

2044240290 is a wasteful number, since it uses less digits than its factorization.

2044240290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22713794 (or 22713791 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2044240290 is about 45213.2755946746. The cubic root of 2044240290 is about 1269.1432603961.

Adding to 2044240290 its reverse (920424402), we get a palindrome (2964664692).

The spelling of 2044240290 in words is "two billion, forty-four million, two hundred forty thousand, two hundred ninety".