255240040303 has 2 divisors, whose sum is σ = 255240040304. Its totient is φ = 255240040302.

The previous prime is 255240040273. The next prime is 255240040309. The reversal of 255240040303 is 303040042552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255240040303 - 2¹³ = 255240032111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255240040309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127620020151 + 127620020152.

It is an arithmetic number, because the mean of its divisors is an integer number (127620020152).

Almost surely, 2^255240040303 is an apocalyptic number.

255240040303 is a deficient number, since it is larger than the sum of its proper divisors (1).

255240040303 is an equidigital number, since it uses as much as digits as its factorization.

255240040303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 255240040303 its reverse (303040042552), we get a palindrome (558280082855).

The spelling of 255240040303 in words is "two hundred fifty-five billion, two hundred forty million, forty thousand, three hundred three".