540042210242 has 4 divisors (see below), whose sum is σ = 810063315366. Its totient is φ = 270021105120.

The previous prime is 540042210233. The next prime is 540042210251. The reversal of 540042210242 is 242012240045.

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

It is an interprime number because it is at equal distance from previous prime (540042210233) and next prime (540042210251).

It can be written as a sum of positive squares in only one way, i.e., 434754290881 + 105287919361 = 659359^2 + 324481^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135010552559 + ... + 135010552562.

Almost surely, 2^540042210242 is an apocalyptic number.

540042210242 is a deficient number, since it is larger than the sum of its proper divisors (270021105124).

540042210242 is a wasteful number, since it uses less digits than its factorization.

540042210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270021105123.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 540042210242 its reverse (242012240045), we get a palindrome (782054450287).

The spelling of 540042210242 in words is "five hundred forty billion, forty-two million, two hundred ten thousand, two hundred forty-two".