810478532 has 12 divisors (see below), whose sum is σ = 1421444220. Its totient is φ = 404351616.

The previous prime is 810478511. The next prime is 810478579. The reversal of 810478532 is 235874018.

810478532 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 560079556 + 250398976 = 23666^2 + 15824^2 .

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, 219857 + ... + 223512.

It is an arithmetic number, because the mean of its divisors is an integer number (118453685).

Almost surely, 2^810478532 is an apocalyptic number.

It is an amenable number.

810478532 is a deficient number, since it is larger than the sum of its proper divisors (610965688).

810478532 is a wasteful number, since it uses less digits than its factorization.

810478532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443830 (or 443828 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 810478532 is about 28468.9046505130. The cubic root of 810478532 is about 932.3532848070.

The spelling of 810478532 in words is "eight hundred ten million, four hundred seventy-eight thousand, five hundred thirty-two".