542420168 has 16 divisors (see below), whose sum is σ = 1017308160. Its totient is φ = 271138000.

The previous prime is 542420161. The next prime is 542420171. The reversal of 542420168 is 861024245.

It is not an unprimeable number, because it can be changed into a prime (542420161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36473 + ... + 49143.

It is an arithmetic number, because the mean of its divisors is an integer number (63581760).

Almost surely, 2^542420168 is an apocalyptic number.

It is an amenable number.

542420168 is a deficient number, since it is larger than the sum of its proper divisors (474887992).

542420168 is a wasteful number, since it uses less digits than its factorization.

542420168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028 (or 18024 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 542420168 is about 23289.9155859355. The cubic root of 542420168 is about 815.5400177318.

The spelling of 542420168 in words is "five hundred forty-two million, four hundred twenty thousand, one hundred sixty-eight".