330132404 has 54 divisors (see below), whose sum is σ = 698126310. Its totient is φ = 136039680.

The previous prime is 330132377. The next prime is 330132421. The reversal of 330132404 is 404231033.

It can be written as a sum of positive squares in 3 ways, for example, as 127012900 + 203119504 = 11270^2 + 14252^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1369724 + ... + 1369964.

It is an arithmetic number, because the mean of its divisors is an integer number (12928265).

Almost surely, 2^330132404 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 330132404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349063155).

330132404 is an abundant number, since it is smaller than the sum of its proper divisors (367993906).

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

330132404 is a wasteful number, since it uses less digits than its factorization.

330132404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 330132404 is about 18169.5460592718. The cubic root of 330132404 is about 691.1347316209.

Adding to 330132404 its reverse (404231033), we get a palindrome (734363437).

The spelling of 330132404 in words is "three hundred thirty million, one hundred thirty-two thousand, four hundred four".