475445259636 has 24 divisors (see below), whose sum is σ = 1132975939200. Its totient is φ = 155109800832.

The previous prime is 475445259571. The next prime is 475445259643. The reversal of 475445259636 is 636952544574.

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 475445259636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421493461 + ... + 421494588.

It is an arithmetic number, because the mean of its divisors is an integer number (47207330800).

Almost surely, 2^475445259636 is an apocalyptic number.

It is an amenable number.

475445259636 is an abundant number, since it is smaller than the sum of its proper divisors (657530679564).

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

475445259636 is a wasteful number, since it uses less digits than its factorization.

475445259636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842988103 (or 842988101 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 60.

The spelling of 475445259636 in words is "four hundred seventy-five billion, four hundred forty-five million, two hundred fifty-nine thousand, six hundred thirty-six".