540243420 has 24 divisors (see below), whose sum is σ = 1512681744. Its totient is φ = 144064896.

The previous prime is 540243419. The next prime is 540243433. The reversal of 540243420 is 24342045.

540243420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4501969 + ... + 4502088.

It is an arithmetic number, because the mean of its divisors is an integer number (63028406).

Almost surely, 2^540243420 is an apocalyptic number.

It is an amenable number.

540243420 is an abundant number, since it is smaller than the sum of its proper divisors (972438324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540243420 is a wasteful number, since it uses less digits than its factorization.

540243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004069 (or 9004067 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 540243420 is about 23243.1370516116. The cubic root of 540243420 is about 814.4476265115.

Adding to 540243420 its reverse (24342045), we get a palindrome (564585465).

The spelling of 540243420 in words is "five hundred forty million, two hundred forty-three thousand, four hundred twenty".