540441231 has 16 divisors (see below), whose sum is σ = 791309568. Its totient is φ = 325368000.

The previous prime is 540441217. The next prime is 540441241. The reversal of 540441231 is 132144045.

540441231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540441231 - 2⁵ = 540441199 is a prime.

It is a super-2 number, since 2×540441231² = 584153448329590722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540441211) 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, 49246 + ... + 59211.

It is an arithmetic number, because the mean of its divisors is an integer number (49456848).

Almost surely, 2^540441231 is an apocalyptic number.

540441231 is a deficient number, since it is larger than the sum of its proper divisors (250868337).

540441231 is a wasteful number, since it uses less digits than its factorization.

540441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108622.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 540441231 is about 23247.3919182346. The cubic root of 540441231 is about 814.5470181526.

Adding to 540441231 its reverse (132144045), we get a palindrome (672585276).

The spelling of 540441231 in words is "five hundred forty million, four hundred forty-one thousand, two hundred thirty-one".