542043643042 has 8 divisors (see below), whose sum is σ = 886980506832. Its totient is φ = 246383474100.

The previous prime is 542043643039. The next prime is 542043643061. The reversal of 542043643042 is 240346340245.

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

It is a super-2 number, since 2×542043643042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542043642992 and 542043643010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12319173684 + ... + 12319173727.

It is an arithmetic number, because the mean of its divisors is an integer number (110872563354).

Almost surely, 2^542043643042 is an apocalyptic number.

542043643042 is a deficient number, since it is larger than the sum of its proper divisors (344936863790).

542043643042 is a wasteful number, since it uses less digits than its factorization.

542043643042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24638347424.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 542043643042 its reverse (240346340245), we get a palindrome (782389983287).

The spelling of 542043643042 in words is "five hundred forty-two billion, forty-three million, six hundred forty-three thousand, forty-two".