542371668 has 24 divisors (see below), whose sum is σ = 1266279168. Its totient is φ = 180684096.

The previous prime is 542371667. The next prime is 542371673. The reversal of 542371668 is 866173245.

542371668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542371667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9480 + ... + 34272.

It is an arithmetic number, because the mean of its divisors is an integer number (52761632).

Almost surely, 2^542371668 is an apocalyptic number.

It is an amenable number.

542371668 is an abundant number, since it is smaller than the sum of its proper divisors (723907500).

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

542371668 is a wasteful number, since it uses less digits than its factorization.

542371668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26623 (or 26621 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 542371668 is about 23288.8743394781. The cubic root of 542371668 is about 815.5157100873.

The spelling of 542371668 in words is "five hundred forty-two million, three hundred seventy-one thousand, six hundred sixty-eight".