448466409 has 32 divisors (see below), whose sum is σ = 704954880. Its totient is φ = 280800000.

The previous prime is 448466407. The next prime is 448466413. The reversal of 448466409 is 904664844.

It is not a de Polignac number, because 448466409 - 2¹ = 448466407 is a prime.

It is a super-2 number, since 2×448466409² = 402244240002710562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448466401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344059 + ... + 345359.

It is an arithmetic number, because the mean of its divisors is an integer number (22029840).

Almost surely, 2^448466409 is an apocalyptic number.

It is an amenable number.

448466409 is a deficient number, since it is larger than the sum of its proper divisors (256488471).

448466409 is a wasteful number, since it uses less digits than its factorization.

448466409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 448466409 is about 21177.0254993472. The cubic root of 448466409 is about 765.4379192028.

The spelling of 448466409 in words is "four hundred forty-eight million, four hundred sixty-six thousand, four hundred nine".