320040003225 has 12 divisors (see below), whose sum is σ = 529132805456. Its totient is φ = 170688001680.

The previous prime is 320040003193. The next prime is 320040003233. The reversal of 320040003225 is 522300040023.

It is not a de Polignac number, because 320040003225 - 2⁵ = 320040003193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2133599947 + ... + 2133600096.

Almost surely, 2^320040003225 is an apocalyptic number.

It is an amenable number.

320040003225 is a deficient number, since it is larger than the sum of its proper divisors (209092802231).

320040003225 is a wasteful number, since it uses less digits than its factorization.

320040003225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267200056 (or 4267200051 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 320040003225 its reverse (522300040023), we get a palindrome (842340043248).

The spelling of 320040003225 in words is "three hundred twenty billion, forty million, three thousand, two hundred twenty-five".