442348843244 has 72 divisors (see below), whose sum is σ = 1003805451264. Its totient is φ = 166784191200.

The previous prime is 442348843219. The next prime is 442348843259.

442348843244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 442348843192 and 442348843201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2000834 + ... + 2210889.

Almost surely, 2^442348843244 is an apocalyptic number.

442348843244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442348843244 is an abundant number, since it is smaller than the sum of its proper divisors (561456608020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442348843244 is a wasteful number, since it uses less digits than its factorization.

442348843244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211787 (or 4211774 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 50.

The spelling of 442348843244 in words is "four hundred forty-two billion, three hundred forty-eight million, eight hundred forty-three thousand, two hundred forty-four".