542242166124 has 24 divisors (see below), whose sum is σ = 1265298798960. Its totient is φ = 180737806144.

The previous prime is 542242166117. The next prime is 542242166171. The reversal of 542242166124 is 421661242245.

It is a super-2 number, since 2×542242166124² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960159 + ... + 1416470.

It is an arithmetic number, because the mean of its divisors is an integer number (52720783290).

Almost surely, 2^542242166124 is an apocalyptic number.

It is an amenable number.

542242166124 is an abundant number, since it is smaller than the sum of its proper divisors (723056632836).

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

542242166124 is a wasteful number, since it uses less digits than its factorization.

542242166124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395649 (or 2395647 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The spelling of 542242166124 in words is "five hundred forty-two billion, two hundred forty-two million, one hundred sixty-six thousand, one hundred twenty-four".