2044240291 has 2 divisors, whose sum is σ = 2044240292. Its totient is φ = 2044240290.

The previous prime is 2044240181. The next prime is 2044240313. The reversal of 2044240291 is 1920424402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2044240291 - 2¹¹ = 2044238243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044246291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022120145 + 1022120146.

It is an arithmetic number, because the mean of its divisors is an integer number (1022120146).

Almost surely, 2^2044240291 is an apocalyptic number.

2044240291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044240291 is an equidigital number, since it uses as much as digits as its factorization.

2044240291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2044240291 is about 45213.2756057333. The cubic root of 2044240291 is about 1269.1432606030.

Adding to 2044240291 its reverse (1920424402), we get a palindrome (3964664693).

The spelling of 2044240291 in words is "two billion, forty-four million, two hundred forty thousand, two hundred ninety-one".