332040321 has 24 divisors (see below), whose sum is σ = 484323840. Its totient is φ = 219199200.

The previous prime is 332040307. The next prime is 332040341. The reversal of 332040321 is 123040233.

It is not a de Polignac number, because 332040321 - 2²² = 327846017 is a prime.

It is a super-2 number, since 2×332040321² = 220501549539566082, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 332040294 and 332040303.

It is not an unprimeable number, because it can be changed into a prime (332040301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720031 + ... + 720491.

It is an arithmetic number, because the mean of its divisors is an integer number (20180160).

Almost surely, 2^332040321 is an apocalyptic number.

It is an amenable number.

332040321 is a deficient number, since it is larger than the sum of its proper divisors (152283519).

332040321 is a wasteful number, since it uses less digits than its factorization.

332040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 332040321 is about 18221.9735758781. The cubic root of 332040321 is about 692.4635879494.

Adding to 332040321 its reverse (123040233), we get a palindrome (455080554).

The spelling of 332040321 in words is "three hundred thirty-two million, forty thousand, three hundred twenty-one".