340240362361 has 2 divisors, whose sum is σ = 340240362362. Its totient is φ = 340240362360.

The previous prime is 340240362311. The next prime is 340240362373. The reversal of 340240362361 is 163263042043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338891636736 + 1348725625 = 582144^2 + 36725^2 .

It is an emirp because it is prime and its reverse (163263042043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340240362361 - 2⁷ = 340240362233 is a prime.

It is not a weakly prime, because it can be changed into another prime (340240362311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170120181180 + 170120181181.

It is an arithmetic number, because the mean of its divisors is an integer number (170120181181).

Almost surely, 2^340240362361 is an apocalyptic number.

It is an amenable number.

340240362361 is a deficient number, since it is larger than the sum of its proper divisors (1).

340240362361 is an equidigital number, since it uses as much as digits as its factorization.

340240362361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 340240362361 in words is "three hundred forty billion, two hundred forty million, three hundred sixty-two thousand, three hundred sixty-one".