542243021446 has 8 divisors (see below), whose sum is σ = 929559465360. Its totient is φ = 232389866328.

The previous prime is 542243021387. The next prime is 542243021449. The reversal of 542243021446 is 644120342245.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542243021449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19365822181 + ... + 19365822208.

It is an arithmetic number, because the mean of its divisors is an integer number (116194933170).

Almost surely, 2^542243021446 is an apocalyptic number.

542243021446 is a deficient number, since it is larger than the sum of its proper divisors (387316443914).

542243021446 is a wasteful number, since it uses less digits than its factorization.

542243021446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38731644398.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 542243021446 in words is "five hundred forty-two billion, two hundred forty-three million, twenty-one thousand, four hundred forty-six".