540811689242 has 48 divisors (see below), whose sum is σ = 953865942912. Its totient is φ = 227930250240.

The previous prime is 540811689241. The next prime is 540811689251. The reversal of 540811689242 is 242986118045.

It is not an unprimeable number, because it can be changed into a prime (540811689241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351143 + ... + 1097690.

It is an arithmetic number, because the mean of its divisors is an integer number (19872207144).

Almost surely, 2^540811689242 is an apocalyptic number.

540811689242 is a deficient number, since it is larger than the sum of its proper divisors (413054253670).

540811689242 is a wasteful number, since it uses less digits than its factorization.

540811689242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448931 (or 1448912 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 540811689242 in words is "five hundred forty billion, eight hundred eleven million, six hundred eighty-nine thousand, two hundred forty-two".