475464644 has 6 divisors (see below), whose sum is σ = 832063134. Its totient is φ = 237732320.

The previous prime is 475464641. The next prime is 475464667. The reversal of 475464644 is 446464574.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 392436100 + 83028544 = 19810^2 + 9112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 475464595 and 475464604.

It is not an unprimeable number, because it can be changed into a prime (475464641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59433077 + ... + 59433084.

It is an arithmetic number, because the mean of its divisors is an integer number (138677189).

Almost surely, 2^475464644 is an apocalyptic number.

It is an amenable number.

475464644 is a deficient number, since it is larger than the sum of its proper divisors (356598490).

475464644 is a wasteful number, since it uses less digits than its factorization.

475464644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118866165 (or 118866163 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 44.

The square root of 475464644 is about 21805.1517765871. The cubic root of 475464644 is about 780.4997039053.

The spelling of 475464644 in words is "four hundred seventy-five million, four hundred sixty-four thousand, six hundred forty-four".