330440385 has 16 divisors (see below), whose sum is σ = 576768960. Its totient is φ = 160213440.

The previous prime is 330440353. The next prime is 330440389. The reversal of 330440385 is 583044033.

It is not a de Polignac number, because 330440385 - 2⁵ = 330440353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (330440389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001170 + ... + 1001499.

It is an arithmetic number, because the mean of its divisors is an integer number (36048060).

Almost surely, 2^330440385 is an apocalyptic number.

It is an amenable number.

330440385 is a deficient number, since it is larger than the sum of its proper divisors (246328575).

330440385 is a wasteful number, since it uses less digits than its factorization.

330440385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002688.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 330440385 is about 18178.0192815389. The cubic root of 330440385 is about 691.3495850213.

The spelling of 330440385 in words is "three hundred thirty million, four hundred forty thousand, three hundred eighty-five".