475663356 has 72 divisors (see below), whose sum is σ = 1386825440. Its totient is φ = 134649216.

The previous prime is 475663343. The next prime is 475663367. The reversal of 475663356 is 653366574.

475663356 is a `hidden beast` number, since 4 + 7 + 5 + 6 + 633 + 5 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18810 + ... + 36126.

Almost surely, 2^475663356 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 475663356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693412720).

475663356 is an abundant number, since it is smaller than the sum of its proper divisors (911162084).

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

475663356 is a wasteful number, since it uses less digits than its factorization.

475663356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17443 (or 17438 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 475663356 is about 21809.7078384833. The cubic root of 475663356 is about 780.6084207557.

The spelling of 475663356 in words is "four hundred seventy-five million, six hundred sixty-three thousand, three hundred fifty-six".