478924448 has 24 divisors (see below), whose sum is σ = 968368212. Its totient is φ = 232989696.

The previous prime is 478924429. The next prime is 478924451. The reversal of 478924448 is 844429874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 317837584 + 161086864 = 17828^2 + 12692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478924396 and 478924405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201065 + ... + 203432.

Almost surely, 2^478924448 is an apocalyptic number.

It is an amenable number.

478924448 is an abundant number, since it is smaller than the sum of its proper divisors (489443764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478924448 is a wasteful number, since it uses less digits than its factorization.

478924448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404544 (or 404536 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 478924448 is about 21884.3425306770. The cubic root of 478924448 is about 782.3882792590.

The spelling of 478924448 in words is "four hundred seventy-eight million, nine hundred twenty-four thousand, four hundred forty-eight".