475665266 has 32 divisors (see below), whose sum is σ = 774269760. Its totient is φ = 218396736.

The previous prime is 475665199. The next prime is 475665317. The reversal of 475665266 is 662566574.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 475665266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523985 + ... + 524891.

It is an arithmetic number, because the mean of its divisors is an integer number (24195930).

Almost surely, 2^475665266 is an apocalyptic number.

475665266 is a deficient number, since it is larger than the sum of its proper divisors (298604494).

475665266 is a wasteful number, since it uses less digits than its factorization.

475665266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its digits is 1814400, while the sum is 47.

The square root of 475665266 is about 21809.7516262795. The cubic root of 475665266 is about 780.6094655844.

The spelling of 475665266 in words is "four hundred seventy-five million, six hundred sixty-five thousand, two hundred sixty-six".