442434532321142 has 16 divisors (see below), whose sum is σ = 664544768659200. Its totient is φ = 220919669217600.

The previous prime is 442434532321129. The next prime is 442434532321169. The reversal of 442434532321142 is 241123235434244.

It is a junction number, because it is equal to n+sod(n) for n = 442434532321093 and 442434532321102.

It is a congruent number.

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, 134417 + ... + 29747052.

It is an arithmetic number, because the mean of its divisors is an integer number (41534048041200).

Almost surely, 2^{442434532321142} is an apocalyptic number.

442434532321142 is a deficient number, since it is larger than the sum of its proper divisors (222110236338058).

442434532321142 is a wasteful number, since it uses less digits than its factorization.

442434532321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29891431.

The product of its digits is 2211840, while the sum is 44.

Adding to 442434532321142 its reverse (241123235434244), we get a palindrome (683557767755386).

The spelling of 442434532321142 in words is "four hundred forty-two trillion, four hundred thirty-four billion, five hundred thirty-two million, three hundred twenty-one thousand, one hundred forty-two".