442238832244 has 48 divisors (see below), whose sum is σ = 850362387840. Its totient is φ = 199571379840.

The previous prime is 442238832241. The next prime is 442238832263.

It is a happy number.

442238832244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 442238832194 and 442238832203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442238832241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5355937 + ... + 5437879.

It is an arithmetic number, because the mean of its divisors is an integer number (17715883080).

Almost surely, 2^442238832244 is an apocalyptic number.

442238832244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442238832244 is a deficient number, since it is larger than the sum of its proper divisors (408123555596).

442238832244 is a wasteful number, since it uses less digits than its factorization.

442238832244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82840 (or 82838 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 46.

The spelling of 442238832244 in words is "four hundred forty-two billion, two hundred thirty-eight million, eight hundred thirty-two thousand, two hundred forty-four".