540032331 has 16 divisors (see below), whose sum is σ = 729233280. Its totient is φ = 355439040.

The previous prime is 540032299. The next prime is 540032333. The reversal of 540032331 is 133230045.

It is not a de Polignac number, because 540032331 - 2⁵ = 540032299 is a prime.

It is a super-2 number, since 2×540032331² = 583269837050587122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540032298 and 540032307.

It is not an unprimeable number, because it can be changed into a prime (540032333) 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, 258216 + ... + 260298.

It is an arithmetic number, because the mean of its divisors is an integer number (45577080).

Almost surely, 2^540032331 is an apocalyptic number.

540032331 is a deficient number, since it is larger than the sum of its proper divisors (189200949).

540032331 is a wasteful number, since it uses less digits than its factorization.

540032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 540032331 is about 23238.5957191910. The cubic root of 540032331 is about 814.3415364756.

Adding to 540032331 its reverse (133230045), we get a palindrome (673262376).

The spelling of 540032331 in words is "five hundred forty million, thirty-two thousand, three hundred thirty-one".