2040340117 has 2 divisors, whose sum is σ = 2040340118. Its totient is φ = 2040340116.

The previous prime is 2040340109. The next prime is 2040340121. The reversal of 2040340117 is 7110430402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1753850641 + 286489476 = 41879^2 + 16926^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040340117 - 2³ = 2040340109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040340177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020170058 + 1020170059.

It is an arithmetic number, because the mean of its divisors is an integer number (1020170059).

Almost surely, 2^2040340117 is an apocalyptic number.

It is an amenable number.

2040340117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040340117 is an equidigital number, since it uses as much as digits as its factorization.

2040340117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2040340117 is about 45170.1241640977. The cubic root of 2040340117 is about 1268.3356205810.

Adding to 2040340117 its reverse (7110430402), we get a palindrome (9150770519).

The spelling of 2040340117 in words is "two billion, forty million, three hundred forty thousand, one hundred seventeen".