448484009 has 4 divisors (see below), whose sum is σ = 448704516. Its totient is φ = 448263504.

The previous prime is 448483991. The next prime is 448484033. The reversal of 448484009 is 900484844.

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 307230784 + 141253225 = 17528^2 + 11885^2 .

It is a cyclic number.

It is not a de Polignac number, because 448484009 - 2²⁰ = 447435433 is a prime.

It is a super-2 number, since 2×448484009² = 402275812657424162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448481009) 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, 107174 + ... + 111279.

It is an arithmetic number, because the mean of its divisors is an integer number (112176129).

Almost surely, 2^448484009 is an apocalyptic number.

It is an amenable number.

448484009 is a deficient number, since it is larger than the sum of its proper divisors (220507).

448484009 is a wasteful number, since it uses less digits than its factorization.

448484009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220506.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 448484009 is about 21177.4410399368. The cubic root of 448484009 is about 765.4479322390.

The spelling of 448484009 in words is "four hundred forty-eight million, four hundred eighty-four thousand, nine".