448268919 has 32 divisors (see below), whose sum is σ = 750305280. Its totient is φ = 232116192.

The previous prime is 448268911. The next prime is 448268929. The reversal of 448268919 is 919862844.

It is not a de Polignac number, because 448268919 - 2³ = 448268911 is a prime.

It is a super-2 number, since 2×448268919² = 401890047482857122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448268911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15247 + ... + 33600.

It is an arithmetic number, because the mean of its divisors is an integer number (23447040).

Almost surely, 2^448268919 is an apocalyptic number.

448268919 is a deficient number, since it is larger than the sum of its proper divisors (302036361).

448268919 is a wasteful number, since it uses less digits than its factorization.

448268919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48899.

The product of its digits is 995328, while the sum is 51.

The square root of 448268919 is about 21172.3621497461. The cubic root of 448268919 is about 765.3255447294.

The spelling of 448268919 in words is "four hundred forty-eight million, two hundred sixty-eight thousand, nine hundred nineteen".