448636665 has 8 divisors (see below), whose sum is σ = 717818688. Its totient is φ = 239272880.

The previous prime is 448636651. The next prime is 448636687. The reversal of 448636665 is 566636844.

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

It is not a de Polignac number, because 448636665 - 2⁵ = 448636633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14954541 + ... + 14954570.

It is an arithmetic number, because the mean of its divisors is an integer number (89727336).

Almost surely, 2^448636665 is an apocalyptic number.

It is an amenable number.

448636665 is a deficient number, since it is larger than the sum of its proper divisors (269182023).

448636665 is a wasteful number, since it uses less digits than its factorization.

448636665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29909119.

The product of its digits is 2488320, while the sum is 48.

The square root of 448636665 is about 21181.0449458944. The cubic root of 448636665 is about 765.5347706857.

The spelling of 448636665 in words is "four hundred forty-eight million, six hundred thirty-six thousand, six hundred sixty-five".