330640404 has 24 divisors (see below), whose sum is σ = 771841728. Its totient is φ = 110163840.

The previous prime is 330640393. The next prime is 330640411. The reversal of 330640404 is 404046033.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30009 + ... + 39519.

It is an arithmetic number, because the mean of its divisors is an integer number (32160072).

Almost surely, 2^330640404 is an apocalyptic number.

It is an amenable number.

330640404 is an abundant number, since it is smaller than the sum of its proper divisors (441201324).

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

330640404 is a wasteful number, since it uses less digits than its factorization.

330640404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415 (or 12413 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 330640404 is about 18183.5201212527. The cubic root of 330640404 is about 691.4890505819.

Adding to 330640404 its reverse (404046033), we get a palindrome (734686437).

The spelling of 330640404 in words is "three hundred thirty million, six hundred forty thousand, four hundred four".