442142356265542 has 16 divisors (see below), whose sum is σ = 665575624612800. Its totient is φ = 220283819219520.

The previous prime is 442142356265527. The next prime is 442142356265549. The reversal of 442142356265542 is 245562653241244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442142356265549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243221059 + ... + 245032177.

It is an arithmetic number, because the mean of its divisors is an integer number (41598476538300).

Almost surely, 2^{442142356265542} is an apocalyptic number.

442142356265542 is a deficient number, since it is larger than the sum of its proper divisors (223433268347258).

442142356265542 is a wasteful number, since it uses less digits than its factorization.

442142356265542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245791.

The product of its digits is 55296000, while the sum is 55.

The spelling of 442142356265542 in words is "four hundred forty-two trillion, one hundred forty-two billion, three hundred fifty-six million, two hundred sixty-five thousand, five hundred forty-two".