330240413 has 4 divisors (see below), whose sum is σ = 333326880. Its totient is φ = 327153948.

The previous prime is 330240409. The next prime is 330240431. The reversal of 330240413 is 314042033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 330240413 - 2² = 330240409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330240433) 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, 1543073 + ... + 1543286.

It is an arithmetic number, because the mean of its divisors is an integer number (83331720).

Almost surely, 2^330240413 is an apocalyptic number.

It is an amenable number.

330240413 is a deficient number, since it is larger than the sum of its proper divisors (3086467).

330240413 is a wasteful number, since it uses less digits than its factorization.

330240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086466.

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

The square root of 330240413 is about 18172.5180698768. The cubic root of 330240413 is about 691.2100959604.

Adding to 330240413 its reverse (314042033), we get a palindrome (644282446).

The spelling of 330240413 in words is "three hundred thirty million, two hundred forty thousand, four hundred thirteen".