424244420444 has 12 divisors (see below), whose sum is σ = 799537561704. Its totient is φ = 195805117104.

The previous prime is 424244420407. The next prime is 424244420473. The reversal of 424244420444 is 444024442424.

It is a junction number, because it is equal to n+sod(n) for n = 424244420398 and 424244420407.

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, 4079273222 + ... + 4079273325.

It is an arithmetic number, because the mean of its divisors is an integer number (66628130142).

Almost surely, 2^424244420444 is an apocalyptic number.

It is an amenable number.

424244420444 is a deficient number, since it is larger than the sum of its proper divisors (375293141260).

424244420444 is a wasteful number, since it uses less digits than its factorization.

424244420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158546564 (or 8158546562 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 424244420444 its reverse (444024442424), we get a palindrome (868268862868).

The spelling of 424244420444 in words is "four hundred twenty-four billion, two hundred forty-four million, four hundred twenty thousand, four hundred forty-four".