540042212242 has 32 divisors (see below), whose sum is σ = 909326158272. Its totient is φ = 238894121664.

The previous prime is 540042212233. The next prime is 540042212249. The reversal of 540042212242 is 242212240045.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 540042212242.

It is not an unprimeable number, because it can be changed into a prime (540042212249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4124908 + ... + 4253815.

It is an arithmetic number, because the mean of its divisors is an integer number (28416442446).

Almost surely, 2^540042212242 is an apocalyptic number.

540042212242 is a deficient number, since it is larger than the sum of its proper divisors (369283946030).

540042212242 is a wasteful number, since it uses less digits than its factorization.

540042212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378842.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 540042212242 its reverse (242212240045), we get a palindrome (782254452287).

The spelling of 540042212242 in words is "five hundred forty billion, forty-two million, two hundred twelve thousand, two hundred forty-two".