330004240 has 20 divisors (see below), whose sum is σ = 767260044. Its totient is φ = 132001664.

The previous prime is 330004189. The next prime is 330004243. The reversal of 330004240 is 42400033.

It can be written as a sum of positive squares in 2 ways, for example, as 191988736 + 138015504 = 13856^2 + 11748^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (330004243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062447 + ... + 2062606.

Almost surely, 2^330004240 is an apocalyptic number.

It is an amenable number.

330004240 is an abundant number, since it is smaller than the sum of its proper divisors (437255804).

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

330004240 is a wasteful number, since it uses less digits than its factorization.

330004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125066 (or 4125060 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 330004240 is about 18166.0188263692. The cubic root of 330004240 is about 691.0452826040.

Adding to 330004240 its reverse (42400033), we get a palindrome (372404273).

The spelling of 330004240 in words is "three hundred thirty million, four thousand, two hundred forty".