540424 has 16 divisors (see below), whose sum is σ = 1037520. Its totient is φ = 263760.

The previous prime is 540391. The next prime is 540433. The reversal of 540424 is 424045.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442 + ... + 1129.

It is an arithmetic number, because the mean of its divisors is an integer number (64845).

2⁵⁴⁰⁴²⁴ is an apocalyptic number.

It is an amenable number.

540424 is a deficient number, since it is larger than the sum of its proper divisors (497096).

540424 is a wasteful number, since it uses less digits than its factorization.

540424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 540424 is about 735.1353616852. The cubic root of 540424 is about 81.4538361270.

Adding to 540424 its reverse (424045), we get a palindrome (964469).

The spelling of 540424 in words is "five hundred forty thousand, four hundred twenty-four".