240243342029 has 2 divisors, whose sum is σ = 240243342030. Its totient is φ = 240243342028.

The previous prime is 240243341969. The next prime is 240243342067. The reversal of 240243342029 is 920243342042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205392052804 + 34851289225 = 453202^2 + 186685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240243342029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240243342029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240243342929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120121671014 + 120121671015.

It is an arithmetic number, because the mean of its divisors is an integer number (120121671015).

Almost surely, 2^240243342029 is an apocalyptic number.

It is an amenable number.

240243342029 is a deficient number, since it is larger than the sum of its proper divisors (1).

240243342029 is an equidigital number, since it uses as much as digits as its factorization.

240243342029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 240243342029 in words is "two hundred forty billion, two hundred forty-three million, three hundred forty-two thousand, twenty-nine".