442636641015242 has 16 divisors (see below), whose sum is σ = 665025407097792. Its totient is φ = 220961718663840.

The previous prime is 442636641015241. The next prime is 442636641015311. The reversal of 442636641015242 is 242510146636244.

It is not an unprimeable number, because it can be changed into a prime (442636641015241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49185728 + ... + 57484859.

It is an arithmetic number, because the mean of its divisors is an integer number (41564087943612).

Almost surely, 2^{442636641015242} is an apocalyptic number.

442636641015242 is a deficient number, since it is larger than the sum of its proper divisors (222388766082550).

442636641015242 is a wasteful number, since it uses less digits than its factorization.

442636641015242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106673933.

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 442636641015242 in words is "four hundred forty-two trillion, six hundred thirty-six billion, six hundred forty-one million, fifteen thousand, two hundred forty-two".