448505019 has 20 divisors (see below), whose sum is σ = 670664280. Its totient is φ = 298702080.

The previous prime is 448505017. The next prime is 448505047. The reversal of 448505019 is 910505844.

It is not a de Polignac number, because 448505019 - 2¹ = 448505017 is a prime.

It is a super-2 number, since 2×448505019² = 402313504136380722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448505017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102427 + ... + 106715.

It is an arithmetic number, because the mean of its divisors is an integer number (33533214).

Almost surely, 2^448505019 is an apocalyptic number.

448505019 is a deficient number, since it is larger than the sum of its proper divisors (222159261).

448505019 is a wasteful number, since it uses less digits than its factorization.

448505019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592 (or 5583 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 448505019 is about 21177.9370808396. The cubic root of 448505019 is about 765.4598849580.

The spelling of 448505019 in words is "four hundred forty-eight million, five hundred five thousand, nineteen".