540120424 has 16 divisors (see below), whose sum is σ = 1013465700. Its totient is φ = 269862912.

The previous prime is 540120407. The next prime is 540120437. The reversal of 540120424 is 424021045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 389272900 + 150847524 = 19730^2 + 12282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 540120395 and 540120404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12687 + ... + 35230.

Almost surely, 2^540120424 is an apocalyptic number.

It is an amenable number.

540120424 is a deficient number, since it is larger than the sum of its proper divisors (473345276).

540120424 is a wasteful number, since it uses less digits than its factorization.

540120424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49332 (or 49328 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 540120424 is about 23240.4910447262. The cubic root of 540120424 is about 814.3858140028.

Adding to 540120424 its reverse (424021045), we get a palindrome (964141469).

The spelling of 540120424 in words is "five hundred forty million, one hundred twenty thousand, four hundred twenty-four".