493581542256 has 120 divisors (see below), whose sum is σ = 1595561810544. Its totient is φ = 140771911680.

The previous prime is 493581542243. The next prime is 493581542257. The reversal of 493581542256 is 652245185394.

493581542256 is a `hidden beast` number, since 4 + 9 + 3 + 581 + 5 + 4 + 2 + 2 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493581542257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9137911 + ... + 9191766.

Almost surely, 2^493581542256 is an apocalyptic number.

It is an amenable number.

493581542256 is an abundant number, since it is smaller than the sum of its proper divisors (1101980268288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493581542256 is a wasteful number, since it uses less digits than its factorization.

493581542256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18329719 (or 18329710 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 493581542256 in words is "four hundred ninety-three billion, five hundred eighty-one million, five hundred forty-two thousand, two hundred fifty-six".