240044357732813 has 2 divisors, whose sum is σ = 240044357732814. Its totient is φ = 240044357732812.

The previous prime is 240044357732657. The next prime is 240044357732819. The reversal of 240044357732813 is 318237753440042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149236837360009 + 90807520372804 = 12216253^2 + 9529298^2 .

It is a cyclic number.

It is not a de Polignac number, because 240044357732813 - 2¹⁸ = 240044357470669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240044357732819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022178866406 + 120022178866407.

It is an arithmetic number, because the mean of its divisors is an integer number (120022178866407).

Almost surely, 2^{240044357732813} is an apocalyptic number.

It is an amenable number.

240044357732813 is a deficient number, since it is larger than the sum of its proper divisors (1).

240044357732813 is an equidigital number, since it uses as much as digits as its factorization.

240044357732813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 53.

The spelling of 240044357732813 in words is "two hundred forty trillion, forty-four billion, three hundred fifty-seven million, seven hundred thirty-two thousand, eight hundred thirteen".