540140242120 has 32 divisors (see below), whose sum is σ = 1215635454720. Its totient is φ = 215999224000.

The previous prime is 540140242099. The next prime is 540140242129. The reversal of 540140242120 is 21242041045.

It is not an unprimeable number, because it can be changed into a prime (540140242129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623256 + ... + 1927495.

It is an arithmetic number, because the mean of its divisors is an integer number (37988607960).

Almost surely, 2^540140242120 is an apocalyptic number.

It is an amenable number.

540140242120 is an abundant number, since it is smaller than the sum of its proper divisors (675495212600).

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

540140242120 is a wasteful number, since it uses less digits than its factorization.

540140242120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554565 (or 3554561 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 540140242120 its reverse (21242041045), we get a palindrome (561382283165).

The spelling of 540140242120 in words is "five hundred forty billion, one hundred forty million, two hundred forty-two thousand, one hundred twenty".