475440985 has 8 divisors (see below), whose sum is σ = 570867336. Its totient is φ = 380127360.

The previous prime is 475440967. The next prime is 475440991. The reversal of 475440985 is 589044574.

It can be written as a sum of positive squares in 4 ways, for example, as 26569 + 475414416 = 163^2 + 21804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475440985 - 2²¹ = 473343833 is a prime.

It is a Duffinian 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, 18604 + ... + 36013.

It is an arithmetic number, because the mean of its divisors is an integer number (71358417).

Almost surely, 2^475440985 is an apocalyptic number.

It is an amenable number.

475440985 is a deficient number, since it is larger than the sum of its proper divisors (95426351).

475440985 is a wasteful number, since it uses less digits than its factorization.

475440985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56363.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 475440985 is about 21804.6092604293. The cubic root of 475440985 is about 780.4867578681.

The spelling of 475440985 in words is "four hundred seventy-five million, four hundred forty thousand, nine hundred eighty-five".