2044240218 has 24 divisors (see below), whose sum is σ = 4581918900. Its totient is φ = 657916224.

The previous prime is 2044240181. The next prime is 2044240291. The reversal of 2044240218 is 8120424402.

2044240218 is a `hidden beast` number, since 2 + 0 + 442 + 4 + 0 + 218 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2008563489 + 35676729 = 44817^2 + 5973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2044240191 and 2044240200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1957563 + ... + 1958606.

Almost surely, 2^2044240218 is an apocalyptic number.

2044240218 is an abundant number, since it is smaller than the sum of its proper divisors (2537678682).

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

2044240218 is a wasteful number, since it uses less digits than its factorization.

2044240218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916206 (or 3916203 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 2044240218 is about 45213.2747984483. The cubic root of 2044240218 is about 1269.1432454959.

The spelling of 2044240218 in words is "two billion, forty-four million, two hundred forty thousand, two hundred eighteen".