540543412 has 12 divisors (see below), whose sum is σ = 978570180. Its totient is φ = 260951936.

The previous prime is 540543403. The next prime is 540543413. The reversal of 540543412 is 214345045.

It can be written as a sum of positive squares in 2 ways, for example, as 350213796 + 190329616 = 18714^2 + 13796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540543413) 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, 2329813 + ... + 2330044.

It is an arithmetic number, because the mean of its divisors is an integer number (81547515).

Almost surely, 2^540543412 is an apocalyptic number.

It is an amenable number.

540543412 is a deficient number, since it is larger than the sum of its proper divisors (438026768).

540543412 is a wasteful number, since it uses less digits than its factorization.

540543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659890 (or 4659888 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 540543412 is about 23249.5895017525. The cubic root of 540543412 is about 814.5983502735.

Adding to 540543412 its reverse (214345045), we get a palindrome (754888457).

The spelling of 540543412 in words is "five hundred forty million, five hundred forty-three thousand, four hundred twelve".