240312105056255 has 16 divisors (see below), whose sum is σ = 291559299094080. Its totient is φ = 190136935356672.

The previous prime is 240312105056251. The next prime is 240312105056281. The reversal of 240312105056255 is 552650501213042.

It is a cyclic number.

It is not a de Polignac number, because 240312105056255 - 2² = 240312105056251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240312105056251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651898619 + ... + 652267148.

It is an arithmetic number, because the mean of its divisors is an integer number (18222456193380).

Almost surely, 2^{240312105056255} is an apocalyptic number.

240312105056255 is a deficient number, since it is larger than the sum of its proper divisors (51247194037825).

240312105056255 is a wasteful number, since it uses less digits than its factorization.

240312105056255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304166178.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 240312105056255 its reverse (552650501213042), we get a palindrome (792962606269297).

The spelling of 240312105056255 in words is "two hundred forty trillion, three hundred twelve billion, one hundred five million, fifty-six thousand, two hundred fifty-five".