540531224 has 16 divisors (see below), whose sum is σ = 1040888400. Its totient is φ = 262960992.

The previous prime is 540531217. The next prime is 540531241. The reversal of 540531224 is 422135045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 540531193 and 540531202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912764 + ... + 913355.

It is an arithmetic number, because the mean of its divisors is an integer number (65055525).

Almost surely, 2^540531224 is an apocalyptic number.

It is an amenable number.

540531224 is a deficient number, since it is larger than the sum of its proper divisors (500357176).

540531224 is a wasteful number, since it uses less digits than its factorization.

540531224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826162 (or 1826158 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 540531224 is about 23249.3273881203. The cubic root of 540531224 is about 814.5922277931.

Adding to 540531224 its reverse (422135045), we get a palindrome (962666269).

The spelling of 540531224 in words is "five hundred forty million, five hundred thirty-one thousand, two hundred twenty-four".