542042240246 has 12 divisors (see below), whose sum is σ = 880417722132. Its totient is φ = 250173341496.

The previous prime is 542042240231. The next prime is 542042240251. The reversal of 542042240246 is 642042240245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801837296 + ... + 801837971.

It is an arithmetic number, because the mean of its divisors is an integer number (73368143511).

Almost surely, 2^542042240246 is an apocalyptic number.

542042240246 is a deficient number, since it is larger than the sum of its proper divisors (338375481886).

542042240246 is a wasteful number, since it uses less digits than its factorization.

542042240246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603675295 (or 1603675282 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Subtracting 542042240246 from its reverse (642042240245), we obtain a palindrome (99999999999).

The spelling of 542042240246 in words is "five hundred forty-two billion, forty-two million, two hundred forty thousand, two hundred forty-six".