542405542 has 8 divisors (see below), whose sum is σ = 929838096. Its totient is φ = 232459512.

The previous prime is 542405497. The next prime is 542405579. The reversal of 542405542 is 245504245.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19371613 + ... + 19371640.

It is an arithmetic number, because the mean of its divisors is an integer number (116229762).

Almost surely, 2^542405542 is an apocalyptic number.

542405542 is a deficient number, since it is larger than the sum of its proper divisors (387432554).

542405542 is a wasteful number, since it uses less digits than its factorization.

542405542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38743262.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 542405542 is about 23289.6015852569. The cubic root of 542405542 is about 815.5326875007.

Adding to 542405542 its reverse (245504245), we get a palindrome (787909787).

The spelling of 542405542 in words is "five hundred forty-two million, four hundred five thousand, five hundred forty-two".