442314344251 has 12 divisors (see below), whose sum is σ = 502728475872. Its totient is φ = 386801203824.

The previous prime is 442314344249. The next prime is 442314344261. The reversal of 442314344251 is 152443413244.

It is a happy number.

It is not a de Polignac number, because 442314344251 - 2¹ = 442314344249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442314344251.

It is not an unprimeable number, because it can be changed into a prime (442314344261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47120211 + ... + 47129596.

It is an arithmetic number, because the mean of its divisors is an integer number (41894039656).

Almost surely, 2^442314344251 is an apocalyptic number.

442314344251 is a deficient number, since it is larger than the sum of its proper divisors (60414131621).

442314344251 is a wasteful number, since it uses less digits than its factorization.

442314344251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94249858 (or 94249839 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

Adding to 442314344251 its reverse (152443413244), we get a palindrome (594757757495).

The spelling of 442314344251 in words is "four hundred forty-two billion, three hundred fourteen million, three hundred forty-four thousand, two hundred fifty-one".