540204143422 has 4 divisors (see below), whose sum is σ = 810306215136. Its totient is φ = 270102071710.

The previous prime is 540204143417. The next prime is 540204143449. The reversal of 540204143422 is 224341402045.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135051035854 + ... + 135051035857.

It is an arithmetic number, because the mean of its divisors is an integer number (202576553784).

Almost surely, 2^540204143422 is an apocalyptic number.

540204143422 is a deficient number, since it is larger than the sum of its proper divisors (270102071714).

540204143422 is a wasteful number, since it uses less digits than its factorization.

540204143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270102071713.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 540204143422 its reverse (224341402045), we get a palindrome (764545545467).

The spelling of 540204143422 in words is "five hundred forty billion, two hundred four million, one hundred forty-three thousand, four hundred twenty-two".