332400040321 has 4 divisors (see below), whose sum is σ = 332960580612. Its totient is φ = 331839500032.

The previous prime is 332400040319. The next prime is 332400040327. The reversal of 332400040321 is 123040004233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250889790321 + 81510250000 = 500889^2 + 285500^2 .

It is a cyclic number.

It is not a de Polignac number, because 332400040321 - 2¹ = 332400040319 is a prime.

It is a super-2 number, since 2×332400040321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 332400040292 and 332400040301.

It is not an unprimeable number, because it can be changed into a prime (332400040327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280269256 + ... + 280270441.

It is an arithmetic number, because the mean of its divisors is an integer number (83240145153).

Almost surely, 2^332400040321 is an apocalyptic number.

It is an amenable number.

332400040321 is a deficient number, since it is larger than the sum of its proper divisors (560540291).

332400040321 is an equidigital number, since it uses as much as digits as its factorization.

332400040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560540290.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 332400040321 its reverse (123040004233), we get a palindrome (455440044554).

The spelling of 332400040321 in words is "three hundred thirty-two billion, four hundred million, forty thousand, three hundred twenty-one".