332640345 has 32 divisors (see below), whose sum is σ = 540796032. Its totient is φ = 174569472.

The previous prime is 332640337. The next prime is 332640367. The reversal of 332640345 is 543046233.

It is not a de Polignac number, because 332640345 - 2³ = 332640337 is a prime.

It is a super-2 number, since 2×332640345² = 221299198243438050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493929 + ... + 494601.

It is an arithmetic number, because the mean of its divisors is an integer number (16899876).

Almost surely, 2^332640345 is an apocalyptic number.

It is an amenable number.

332640345 is a deficient number, since it is larger than the sum of its proper divisors (208155687).

332640345 is a wasteful number, since it uses less digits than its factorization.

332640345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 332640345 is about 18238.4304423380. The cubic root of 332640345 is about 692.8804497168.

Adding to 332640345 its reverse (543046233), we get a palindrome (875686578).

The spelling of 332640345 in words is "three hundred thirty-two million, six hundred forty thousand, three hundred forty-five".