330640473 has 16 divisors (see below), whose sum is σ = 454163840. Its totient is φ = 213808896.

The previous prime is 330640411. The next prime is 330640481. The reversal of 330640473 is 374046033.

It is not a de Polignac number, because 330640473 - 2⁸ = 330640217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 330640473.

It is not an unprimeable number, because it can be changed into a prime (330640493) 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, 32988 + ... + 41826.

It is an arithmetic number, because the mean of its divisors is an integer number (28385240).

Almost surely, 2^330640473 is an apocalyptic number.

It is an amenable number.

330640473 is a deficient number, since it is larger than the sum of its proper divisors (123523367).

330640473 is a wasteful number, since it uses less digits than its factorization.

330640473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 330640473 is about 18183.5220185749. The cubic root of 330640473 is about 691.4890986832.

The spelling of 330640473 in words is "three hundred thirty million, six hundred forty thousand, four hundred seventy-three".