2040344017 has 2 divisors, whose sum is σ = 2040344018. Its totient is φ = 2040344016.

The previous prime is 2040344003. The next prime is 2040344041. The reversal of 2040344017 is 7104430402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1711973376 + 328370641 = 41376^2 + 18121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040344017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040343982 and 2040344000.

It is not a weakly prime, because it can be changed into another prime (2040344057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020172008 + 1020172009.

It is an arithmetic number, because the mean of its divisors is an integer number (1020172009).

Almost surely, 2^2040344017 is an apocalyptic number.

It is an amenable number.

2040344017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040344017 is an equidigital number, since it uses as much as digits as its factorization.

2040344017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2040344017 is about 45170.1673342041. The cubic root of 2040344017 is about 1268.3364286989.

Adding to 2040344017 its reverse (7104430402), we get a palindrome (9144774419).

The spelling of 2040344017 in words is "two billion, forty million, three hundred forty-four thousand, seventeen".