542423242 has 8 divisors (see below), whose sum is σ = 832556736. Its totient is φ = 264904332.

The previous prime is 542423239. The next prime is 542423261. The reversal of 542423242 is 242324245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 542423242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153538 + ... + 3153709.

It is an arithmetic number, because the mean of its divisors is an integer number (104069592).

Almost surely, 2^542423242 is an apocalyptic number.

542423242 is a deficient number, since it is larger than the sum of its proper divisors (290133494).

542423242 is a wasteful number, since it uses less digits than its factorization.

542423242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307292.

The product of its digits is 15360, while the sum is 28.

The square root of 542423242 is about 23289.9815800700. The cubic root of 542423242 is about 815.5415583366.

Adding to 542423242 its reverse (242324245), we get a palindrome (784747487).

The spelling of 542423242 in words is "five hundred forty-two million, four hundred twenty-three thousand, two hundred forty-two".