485641656 has 160 divisors (see below), whose sum is σ = 1442271600. Its totient is φ = 152409600.

The previous prime is 485641591. The next prime is 485641657. The reversal of 485641656 is 656146584.

485641656 is a `hidden beast` number, since 485 + 6 + 4 + 165 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485641657) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 807756 + ... + 808356.

Almost surely, 2^485641656 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 485641656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721135800).

485641656 is an abundant number, since it is smaller than the sum of its proper divisors (956629944).

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

485641656 is a wasteful number, since it uses less digits than its factorization.

485641656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 678 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 485641656 is about 22037.2787793775. The cubic root of 485641656 is about 786.0291347513.

The spelling of 485641656 in words is "four hundred eighty-five million, six hundred forty-one thousand, six hundred fifty-six".