542613568 has 28 divisors (see below), whose sum is σ = 1230571072. Its totient is φ = 232548480.

The previous prime is 542613563. The next prime is 542613569. The reversal of 542613568 is 865316245.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 542613568.

It is not an unprimeable number, because it can be changed into a prime (542613563) 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, 605148 + ... + 606043.

Almost surely, 2^542613568 is an apocalyptic number.

It is an amenable number.

542613568 is an abundant number, since it is smaller than the sum of its proper divisors (687957504).

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

542613568 is a wasteful number, since it uses less digits than its factorization.

542613568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211210 (or 1211200 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 542613568 is about 23294.0672275152. The cubic root of 542613568 is about 815.6369331901.

The spelling of 542613568 in words is "five hundred forty-two million, six hundred thirteen thousand, five hundred sixty-eight".