485812656 has 180 divisors, whose sum is σ = 1633329984. Its totient is φ = 134265600.

The previous prime is 485812643. The next prime is 485812697. The reversal of 485812656 is 656218584.

485812656 is a `hidden beast` number, since 4 + 8 + 581 + 2 + 65 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 217626 + ... + 219846.

Almost surely, 2^485812656 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 485812656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816664992).

485812656 is an abundant number, since it is smaller than the sum of its proper divisors (1147517328).

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

485812656 is a wasteful number, since it uses less digits than its factorization.

485812656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2264 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 485812656 is about 22041.1582272802. The cubic root of 485812656 is about 786.1213805513.

The spelling of 485812656 in words is "four hundred eighty-five million, eight hundred twelve thousand, six hundred fifty-six".