2040344417 has 2 divisors, whose sum is σ = 2040344418. Its totient is φ = 2040344416.

The previous prime is 2040344399. The next prime is 2040344447. The reversal of 2040344417 is 7144430402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1739807521 + 300536896 = 41711^2 + 17336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040344417 - 2⁸ = 2040344161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040344417.

It is not a weakly prime, because it can be changed into another prime (2040344447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020172208 + 1020172209.

It is an arithmetic number, because the mean of its divisors is an integer number (1020172209).

Almost surely, 2^2040344417 is an apocalyptic number.

It is an amenable number.

2040344417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040344417 is an equidigital number, since it uses as much as digits as its factorization.

2040344417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 2040344417 is about 45170.1717619050. The cubic root of 2040344417 is about 1268.3365115827.

Adding to 2040344417 its reverse (7144430402), we get a palindrome (9184774819).

The spelling of 2040344417 in words is "two billion, forty million, three hundred forty-four thousand, four hundred seventeen".