496640584431 has 6 divisors (see below), whose sum is σ = 717369733080. Its totient is φ = 331093722948.

The previous prime is 496640584411. The next prime is 496640584487. The reversal of 496640584431 is 134485046694.

496640584431 is a `hidden beast` number, since 4 + 96 + 6 + 40 + 5 + 84 + 431 = 666.

It is not a de Polignac number, because 496640584431 - 2¹⁵ = 496640551663 is a prime.

It is a super-2 number, since 2×496640584431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496640584411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27591143571 + ... + 27591143588.

It is an arithmetic number, because the mean of its divisors is an integer number (119561622180).

Almost surely, 2^496640584431 is an apocalyptic number.

496640584431 is a deficient number, since it is larger than the sum of its proper divisors (220729148649).

496640584431 is a wasteful number, since it uses less digits than its factorization.

496640584431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55182287165 (or 55182287162 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 496640584431 in words is "four hundred ninety-six billion, six hundred forty million, five hundred eighty-four thousand, four hundred thirty-one".