542222040013042 has 4 divisors (see below), whose sum is σ = 813333060019566. Its totient is φ = 271111020006520.

The previous prime is 542222040013019. The next prime is 542222040013051. The reversal of 542222040013042 is 240310040222245.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 360569626346241 + 181652413666801 = 18988671^2 + 13477849^2 .

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 junction number, because it is equal to n+sod(n) for n = 542222040012995 and 542222040013013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135555510003259 + ... + 135555510003262.

Almost surely, 2^{542222040013042} is an apocalyptic number.

542222040013042 is a deficient number, since it is larger than the sum of its proper divisors (271111020006524).

542222040013042 is a wasteful number, since it uses less digits than its factorization.

542222040013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271111020006523.

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

Adding to 542222040013042 its reverse (240310040222245), we get a palindrome (782532080235287).

The spelling of 542222040013042 in words is "five hundred forty-two trillion, two hundred twenty-two billion, forty million, thirteen thousand, forty-two".