240244240253 has 2 divisors, whose sum is σ = 240244240254. Its totient is φ = 240244240252.

The previous prime is 240244240219. The next prime is 240244240259. The reversal of 240244240253 is 352042442042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203236869124 + 37007371129 = 450818^2 + 192373^2 .

It is a cyclic number.

It is not a de Polignac number, because 240244240253 - 2¹⁰ = 240244239229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240244240259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120122120126 + 120122120127.

It is an arithmetic number, because the mean of its divisors is an integer number (120122120127).

Almost surely, 2^240244240253 is an apocalyptic number.

It is an amenable number.

240244240253 is a deficient number, since it is larger than the sum of its proper divisors (1).

240244240253 is an equidigital number, since it uses as much as digits as its factorization.

240244240253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 240244240253 its reverse (352042442042), we get a palindrome (592286682295).

The spelling of 240244240253 in words is "two hundred forty billion, two hundred forty-four million, two hundred forty thousand, two hundred fifty-three".