542243612106 has 48 divisors (see below), whose sum is σ = 1401076669824. Its totient is φ = 148190800032.

The previous prime is 542243612093. The next prime is 542243612111. The reversal of 542243612106 is 601216342245.

542243612106 is a `hidden beast` number, since 5 + 4 + 2 + 2 + 436 + 1 + 210 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93551901 + ... + 93557696.

It is an arithmetic number, because the mean of its divisors is an integer number (29189097288).

Almost surely, 2^542243612106 is an apocalyptic number.

542243612106 is an abundant number, since it is smaller than the sum of its proper divisors (858833057718).

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

542243612106 is a wasteful number, since it uses less digits than its factorization.

542243612106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187109635 (or 187109632 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 542243612106 in words is "five hundred forty-two billion, two hundred forty-three million, six hundred twelve thousand, one hundred six".