485636256 has 144 divisors (see below), whose sum is σ = 1647838080. Its totient is φ = 138741120.

The previous prime is 485636251. The next prime is 485636279. The reversal of 485636256 is 652636584.

485636256 is a `hidden beast` number, since 4 + 8 + 5 + 636 + 2 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (485636251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36601 + ... + 48071.

It is an arithmetic number, because the mean of its divisors is an integer number (11443320).

Almost surely, 2^485636256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485636256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823919040).

485636256 is an abundant number, since it is smaller than the sum of its proper divisors (1162201824).

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

485636256 is a wasteful number, since it uses less digits than its factorization.

485636256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11504 (or 11483 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 485636256 is about 22037.1562593725. The cubic root of 485636256 is about 786.0262213734.

The spelling of 485636256 in words is "four hundred eighty-five million, six hundred thirty-six thousand, two hundred fifty-six".