542044134242 has 16 divisors (see below), whose sum is σ = 899274885432. Its totient is φ = 243412750080.

The previous prime is 542044134211. The next prime is 542044134283. The reversal of 542044134242 is 242431440245.

It can be written as a sum of positive squares in 4 ways, for example, as 495335847601 + 46708286641 = 703801^2 + 216121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281726759 + ... + 281728682.

Almost surely, 2^542044134242 is an apocalyptic number.

542044134242 is a deficient number, since it is larger than the sum of its proper divisors (357230751190).

542044134242 is a wasteful number, since it uses less digits than its factorization.

542044134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563455493.

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

Adding to 542044134242 its reverse (242431440245), we get a palindrome (784475574487).

The spelling of 542044134242 in words is "five hundred forty-two billion, forty-four million, one hundred thirty-four thousand, two hundred forty-two".