442423003243344 has 20 divisors (see below), whose sum is σ = 1142926091712096. Its totient is φ = 147474334414432.

The previous prime is 442423003243301. The next prime is 442423003243391. The reversal of 442423003243344 is 443342300324244.

It is a super-2 number, since 2×442423003243344² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442423003243296 and 442423003243305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4608572950404 + ... + 4608572950499.

Almost surely, 2^{442423003243344} is an apocalyptic number.

It is an amenable number.

442423003243344 is an abundant number, since it is smaller than the sum of its proper divisors (700503088468752).

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

442423003243344 is a wasteful number, since it uses less digits than its factorization.

442423003243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217145900914 (or 9217145900908 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 42.

Adding to 442423003243344 its reverse (443342300324244), we get a palindrome (885765303567588).

The spelling of 442423003243344 in words is "four hundred forty-two trillion, four hundred twenty-three billion, three million, two hundred forty-three thousand, three hundred forty-four".