304240266 has 64 divisors (see below), whose sum is σ = 742210560. Its totient is φ = 91612080.

The previous prime is 304240253. The next prime is 304240273. The reversal of 304240266 is 662042403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

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 31 ways as a sum of consecutive naturals, for example, 97665 + ... + 100731.

It is an arithmetic number, because the mean of its divisors is an integer number (11597040).

Almost surely, 2^304240266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304240266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371105280).

304240266 is an abundant number, since it is smaller than the sum of its proper divisors (437970294).

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

304240266 is a wasteful number, since it uses less digits than its factorization.

304240266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 304240266 is about 17442.4845133943. The cubic root of 304240266 is about 672.5721769015.

Adding to 304240266 its reverse (662042403), we get a palindrome (966282669).

The spelling of 304240266 in words is "three hundred four million, two hundred forty thousand, two hundred sixty-six".