240044306306243 has 2 divisors, whose sum is σ = 240044306306244. Its totient is φ = 240044306306242.

The previous prime is 240044306306111. The next prime is 240044306306281. The reversal of 240044306306243 is 342603603440042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240044306306243 - 2¹⁶ = 240044306240707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240044306306243.

It is not a weakly prime, because it can be changed into another prime (240044306006243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022153153121 + 120022153153122.

It is an arithmetic number, because the mean of its divisors is an integer number (120022153153122).

Almost surely, 2^{240044306306243} is an apocalyptic number.

240044306306243 is a deficient number, since it is larger than the sum of its proper divisors (1).

240044306306243 is an equidigital number, since it uses as much as digits as its factorization.

240044306306243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 41.

Adding to 240044306306243 its reverse (342603603440042), we get a palindrome (582647909746285).

The spelling of 240044306306243 in words is "two hundred forty trillion, forty-four billion, three hundred six million, three hundred six thousand, two hundred forty-three".