448424278 has 4 divisors (see below), whose sum is σ = 672636420. Its totient is φ = 224212138.

The previous prime is 448424239. The next prime is 448424279. The reversal of 448424278 is 872424844.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448424279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112106068 + ... + 112106071.

It is an arithmetic number, because the mean of its divisors is an integer number (168159105).

Almost surely, 2^448424278 is an apocalyptic number.

448424278 is a deficient number, since it is larger than the sum of its proper divisors (224212142).

448424278 is a wasteful number, since it uses less digits than its factorization.

448424278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224212141.

The product of its digits is 458752, while the sum is 43.

The square root of 448424278 is about 21176.0307423275. The cubic root of 448424278 is about 765.4139488643.

The spelling of 448424278 in words is "four hundred forty-eight million, four hundred twenty-four thousand, two hundred seventy-eight".