464640743025255 has 16 divisors (see below), whose sum is σ = 744054676750944. Its totient is φ = 247598566976640.

The previous prime is 464640743025241. The next prime is 464640743025257. The reversal of 464640743025255 is 552520347046464.

It is not a de Polignac number, because 464640743025255 - 2⁵ = 464640743025223 is a prime.

It is a super-2 number, since 2×464640743025255² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 464640743025195 and 464640743025204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464640743025257) 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, 13114313164 + ... + 13114348593.

It is an arithmetic number, because the mean of its divisors is an integer number (46503417296934).

Almost surely, 2^{464640743025255} is an apocalyptic number.

464640743025255 is a deficient number, since it is larger than the sum of its proper divisors (279413933725689).

464640743025255 is a wasteful number, since it uses less digits than its factorization.

464640743025255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26228662946.

The product of its (nonzero) digits is 96768000, while the sum is 57.

The spelling of 464640743025255 in words is "four hundred sixty-four trillion, six hundred forty billion, seven hundred forty-three million, twenty-five thousand, two hundred fifty-five".