448128404 has 12 divisors (see below), whose sum is σ = 784376628. Its totient is φ = 224020800.

The previous prime is 448128367. The next prime is 448128407. The reversal of 448128404 is 404821844.

It can be written as a sum of positive squares in 2 ways, for example, as 422220304 + 25908100 = 20548^2 + 5090^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448128407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27224 + ... + 40464.

It is an arithmetic number, because the mean of its divisors is an integer number (65364719).

Almost surely, 2^448128404 is an apocalyptic number.

It is an amenable number.

448128404 is a deficient number, since it is larger than the sum of its proper divisors (336248224).

448128404 is a wasteful number, since it uses less digits than its factorization.

448128404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706 (or 21704 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 35.

The square root of 448128404 is about 21169.0435305897. The cubic root of 448128404 is about 765.2455697019.

The spelling of 448128404 in words is "four hundred forty-eight million, one hundred twenty-eight thousand, four hundred four".