304040464 has 60 divisors (see below), whose sum is σ = 729048576. Its totient is φ = 120272256.

The previous prime is 304040459. The next prime is 304040479. The reversal of 304040464 is 464040403.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10897 + ... + 26959.

Almost surely, 2^304040464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304040464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364524288).

304040464 is an abundant number, since it is smaller than the sum of its proper divisors (425008112).

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

304040464 is a wasteful number, since it uses less digits than its factorization.

304040464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16104 (or 16085 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 304040464 is about 17436.7561203339. The cubic root of 304040464 is about 672.4249131443.

Adding to 304040464 its reverse (464040403), we get a palindrome (768080867).

The spelling of 304040464 in words is "three hundred four million, forty thousand, four hundred sixty-four".