804542568208 has 20 divisors (see below), whose sum is σ = 1650495416220. Its totient is φ = 378608267264.

The previous prime is 804542568187. The next prime is 804542568233. The reversal of 804542568208 is 802865245408.

804542568208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 524477227264 + 280065340944 = 724208^2 + 529212^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478938273 + ... + 1478938816.

It is an arithmetic number, because the mean of its divisors is an integer number (82524770811).

Almost surely, 2^804542568208 is an apocalyptic number.

It is an amenable number.

804542568208 is an abundant number, since it is smaller than the sum of its proper divisors (845952848012).

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

804542568208 is a wasteful number, since it uses less digits than its factorization.

804542568208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957877114 (or 2957877108 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 52.

The spelling of 804542568208 in words is "eight hundred four billion, five hundred forty-two million, five hundred sixty-eight thousand, two hundred eight".