542430621142 has 8 divisors (see below), whose sum is σ = 824791766616. Its totient is φ = 267500032272.

The previous prime is 542430621097. The next prime is 542430621157. The reversal of 542430621142 is 241126034245.

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

It is a junction number, because it is equal to n+sod(n) for n = 542430621098 and 542430621107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1857638968 + ... + 1857639259.

It is an arithmetic number, because the mean of its divisors is an integer number (103098970827).

Almost surely, 2^542430621142 is an apocalyptic number.

542430621142 is a deficient number, since it is larger than the sum of its proper divisors (282361145474).

542430621142 is a wasteful number, since it uses less digits than its factorization.

542430621142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715278302.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 542430621142 its reverse (241126034245), we get a palindrome (783556655387).

The spelling of 542430621142 in words is "five hundred forty-two billion, four hundred thirty million, six hundred twenty-one thousand, one hundred forty-two".