542100340240442 has 32 divisors (see below), whose sum is σ = 851661300430080. Its totient is φ = 258301214962560.

The previous prime is 542100340240441. The next prime is 542100340240457. The reversal of 542100340240442 is 244042043001245.

It is not an unprimeable number, because it can be changed into a prime (542100340240441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 77149643 + ... + 83882465.

It is an arithmetic number, because the mean of its divisors is an integer number (26614415638440).

Almost surely, 2^{542100340240442} is an apocalyptic number.

542100340240442 is a deficient number, since it is larger than the sum of its proper divisors (309560960189638).

542100340240442 is a wasteful number, since it uses less digits than its factorization.

542100340240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739358.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 542100340240442 its reverse (244042043001245), we get a palindrome (786142383241687).

The spelling of 542100340240442 in words is "five hundred forty-two trillion, one hundred billion, three hundred forty million, two hundred forty thousand, four hundred forty-two".