475352644 has 12 divisors (see below), whose sum is σ = 895857004. Its totient is φ = 219393504.

The previous prime is 475352639. The next prime is 475352677. The reversal of 475352644 is 446253574.

It can be written as a sum of positive squares in 2 ways, for example, as 50580544 + 424772100 = 7112^2 + 20610^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 475352597 and 475352606.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4570647 + ... + 4570750.

Almost surely, 2^475352644 is an apocalyptic number.

It is an amenable number.

475352644 is a deficient number, since it is larger than the sum of its proper divisors (420504360).

475352644 is a wasteful number, since it uses less digits than its factorization.

475352644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141414 (or 9141412 counting only the distinct ones).

The product of its digits is 403200, while the sum is 40.

The square root of 475352644 is about 21802.5834249063. The cubic root of 475352644 is about 780.4384145029.

The spelling of 475352644 in words is "four hundred seventy-five million, three hundred fifty-two thousand, six hundred forty-four".