330840612 has 96 divisors (see below), whose sum is σ = 884419200. Its totient is φ = 108241920.

The previous prime is 330840607. The next prime is 330840619. The reversal of 330840612 is 216048033.

It is a happy number.

330840612 is a `hidden beast` number, since 3 + 3 + 0 + 8 + 40 + 612 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (330840619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515812 + ... + 516452.

It is an arithmetic number, because the mean of its divisors is an integer number (9212700).

Almost surely, 2^330840612 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 330840612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442209600).

330840612 is an abundant number, since it is smaller than the sum of its proper divisors (553578588).

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

330840612 is an equidigital number, since it uses as much as digits as its factorization.

330840612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 330840612 is about 18189.0244928088. The cubic root of 330840612 is about 691.6285916106.

Adding to 330840612 its reverse (216048033), we get a palindrome (546888645).

The spelling of 330840612 in words is "three hundred thirty million, eight hundred forty thousand, six hundred twelve".