542186068 has 12 divisors (see below), whose sum is σ = 949285792. Its totient is φ = 270961560.

The previous prime is 542186039. The next prime is 542186069. The reversal of 542186068 is 860681245.

It is a self number, because there is not a number n which added to its sum of digits gives 542186068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542186069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23280 + ... + 40327.

Almost surely, 2^542186068 is an apocalyptic number.

It is an amenable number.

542186068 is a deficient number, since it is larger than the sum of its proper divisors (407099724).

542186068 is a wasteful number, since it uses less digits than its factorization.

542186068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65742 (or 65740 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 542186068 is about 23284.8892632110. The cubic root of 542186068 is about 815.4226761076.

The spelling of 542186068 in words is "five hundred forty-two million, one hundred eighty-six thousand, sixty-eight".