304478480 has 40 divisors (see below), whose sum is σ = 709287192. Its totient is φ = 121554944.

The previous prime is 304478479. The next prime is 304478491. The reversal of 304478480 is 84874403.

It can be written as a sum of positive squares in 4 ways, for example, as 5326864 + 299151616 = 2308^2 + 17296^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×304478480² = 185414289566220800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41144 + ... + 47976.

Almost surely, 2^304478480 is an apocalyptic number.

It is an amenable number.

304478480 is an abundant number, since it is smaller than the sum of its proper divisors (404808712).

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

304478480 is a wasteful number, since it uses less digits than its factorization.

304478480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403 (or 7397 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 304478480 is about 17449.3117342777. The cubic root of 304478480 is about 672.7476679298.

The spelling of 304478480 in words is "three hundred four million, four hundred seventy-eight thousand, four hundred eighty".