442135403234 has 16 divisors (see below), whose sum is σ = 763732259136. Its totient is φ = 188040138000.

The previous prime is 442135403231. The next prime is 442135403261. The reversal of 442135403234 is 432304531244.

It is a junction number, because it is equal to n+sod(n) for n = 442135403194 and 442135403203.

It is not an unprimeable number, because it can be changed into a prime (442135403231) 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, 120536717 + ... + 120540384.

It is an arithmetic number, because the mean of its divisors is an integer number (47733266196).

Almost surely, 2^442135403234 is an apocalyptic number.

442135403234 is a deficient number, since it is larger than the sum of its proper divisors (321596855902).

442135403234 is a wasteful number, since it uses less digits than its factorization.

442135403234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241077241.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 442135403234 its reverse (432304531244), we get a palindrome (874439934478).

The spelling of 442135403234 in words is "four hundred forty-two billion, one hundred thirty-five million, four hundred three thousand, two hundred thirty-four".