464640726134291 has 24 divisors (see below), whose sum is σ = 567392475847680. Its totient is φ = 378883791291600.

The previous prime is 464640726134269. The next prime is 464640726134323. The reversal of 464640726134291 is 192431627046464.

It is not a de Polignac number, because 464640726134291 - 2³⁴ = 464623546265107 is a prime.

It is a super-2 number, since 2×464640726134291² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a self number, because there is not a number n which added to its sum of digits gives 464640726134291.

It is not an unprimeable number, because it can be changed into a prime (464640726134491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2592164015 + ... + 2592343256.

It is an arithmetic number, because the mean of its divisors is an integer number (23641353160320).

Almost surely, 2^{464640726134291} is an apocalyptic number.

464640726134291 is a deficient number, since it is larger than the sum of its proper divisors (102751749713389).

464640726134291 is a wasteful number, since it uses less digits than its factorization.

464640726134291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184507375 (or 5184507368 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 59.

The spelling of 464640726134291 in words is "four hundred sixty-four trillion, six hundred forty billion, seven hundred twenty-six million, one hundred thirty-four thousand, two hundred ninety-one".