542221311042 has 24 divisors (see below), whose sum is σ = 1174831257600. Its totient is φ = 180737603640.

The previous prime is 542221310993. The next prime is 542221311059. The reversal of 542221311042 is 240113122245.

542221311042 is a `hidden beast` number, since 5 + 422 + 2 + 131 + 104 + 2 = 666.

It is a super-2 number, since 2×542221311042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542221310997 and 542221311015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1170459 + ... + 1566657.

It is an arithmetic number, because the mean of its divisors is an integer number (48951302400).

Almost surely, 2^542221311042 is an apocalyptic number.

542221311042 is an abundant number, since it is smaller than the sum of its proper divisors (632609946558).

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

542221311042 is a wasteful number, since it uses less digits than its factorization.

542221311042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472238 (or 472235 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 542221311042 its reverse (240113122245), we get a palindrome (782334433287).

The spelling of 542221311042 in words is "five hundred forty-two billion, two hundred twenty-one million, three hundred eleven thousand, forty-two".