580985856 has 198 divisors, whose sum is σ = 1847495286. Its totient is φ = 175718400.

The previous prime is 580985837. The next prime is 580985861. The reversal of 580985856 is 658589085.

580985856 is a `hidden beast` number, since 58 + 0 + 9 + 8 + 585 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 446054400 + 134931456 = 21120^2 + 11616^2 .

It is a tau number, because it is divible by the number of its divisors (198).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1114876 + ... + 1115396.

Almost surely, 2^580985856 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 580985856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923747643).

580985856 is an abundant number, since it is smaller than the sum of its proper divisors (1266509430).

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

580985856 is a wasteful number, since it uses less digits than its factorization.

580985856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The square root of 580985856 is about 24103.6481886041. The cubic root of 580985856 is about 834.4273296136.

The spelling of 580985856 in words is "five hundred eighty million, nine hundred eighty-five thousand, eight hundred fifty-six".