542042240244 has 12 divisors (see below), whose sum is σ = 1264765227264. Its totient is φ = 180680746744.

The previous prime is 542042240231. The next prime is 542042240251. The reversal of 542042240244 is 442042240245.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22585093332 + ... + 22585093355.

It is an arithmetic number, because the mean of its divisors is an integer number (105397102272).

Almost surely, 2^542042240244 is an apocalyptic number.

It is an amenable number.

542042240244 is an abundant number, since it is smaller than the sum of its proper divisors (722722987020).

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

542042240244 is a wasteful number, since it uses less digits than its factorization.

542042240244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170186694 (or 45170186692 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 542042240244 its reverse (442042240245), we get a palindrome (984084480489).

Subtracting from 542042240244 its reverse (442042240245), we obtain a palindrome (99999999999).

The spelling of 542042240244 in words is "five hundred forty-two billion, forty-two million, two hundred forty thousand, two hundred forty-four".