2456640241255 has 4 divisors (see below), whose sum is σ = 2947968289512. Its totient is φ = 1965312193000.

The previous prime is 2456640241217. The next prime is 2456640241259. The reversal of 2456640241255 is 5521420466542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2456640241255 - 2²⁵ = 2456606686823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456640241259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245664024121 + ... + 245664024130.

It is an arithmetic number, because the mean of its divisors is an integer number (736992072378).

Almost surely, 2^{2456640241255} is an apocalyptic number.

2456640241255 is a deficient number, since it is larger than the sum of its proper divisors (491328048257).

2456640241255 is an equidigital number, since it uses as much as digits as its factorization.

2456640241255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491328048256.

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 2456640241255 in words is "two trillion, four hundred fifty-six billion, six hundred forty million, two hundred forty-one thousand, two hundred fifty-five".