480450809 has 4 divisors (see below), whose sum is σ = 493436004. Its totient is φ = 467465616.

The previous prime is 480450799. The next prime is 480450811. The reversal of 480450809 is 908054084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 461046784 + 19404025 = 21472^2 + 4405^2 .

It is a cyclic number.

It is not a de Polignac number, because 480450809 - 2²⁴ = 463673593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (480450869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6492542 + ... + 6492615.

It is an arithmetic number, because the mean of its divisors is an integer number (123359001).

Almost surely, 2^480450809 is an apocalyptic number.

It is an amenable number.

480450809 is a deficient number, since it is larger than the sum of its proper divisors (12985195).

480450809 is a wasteful number, since it uses less digits than its factorization.

480450809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12985194.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 480450809 is about 21919.1881464620. The cubic root of 480450809 is about 783.2185706428.

The spelling of 480450809 in words is "four hundred eighty million, four hundred fifty thousand, eight hundred nine".