240765222413 has 2 divisors, whose sum is σ = 240765222414. Its totient is φ = 240765222412.

The previous prime is 240765222343. The next prime is 240765222443. The reversal of 240765222413 is 314222567042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228257484169 + 12507738244 = 477763^2 + 111838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240765222413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240765222443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120382611206 + 120382611207.

It is an arithmetic number, because the mean of its divisors is an integer number (120382611207).

Almost surely, 2^240765222413 is an apocalyptic number.

It is an amenable number.

240765222413 is a deficient number, since it is larger than the sum of its proper divisors (1).

240765222413 is an equidigital number, since it uses as much as digits as its factorization.

240765222413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

Adding to 240765222413 its reverse (314222567042), we get a palindrome (554987789455).

The spelling of 240765222413 in words is "two hundred forty billion, seven hundred sixty-five million, two hundred twenty-two thousand, four hundred thirteen".