344221543436 has 24 divisors (see below), whose sum is σ = 623168515200. Its totient is φ = 166197484800.

The previous prime is 344221543429. The next prime is 344221543447. The reversal of 344221543436 is 634345122443.

It is a junction number, because it is equal to n+sod(n) for n = 344221543393 and 344221543402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953661 + ... + 3067988.

It is an arithmetic number, because the mean of its divisors is an integer number (25965354800).

Almost surely, 2^344221543436 is an apocalyptic number.

It is an amenable number.

344221543436 is a deficient number, since it is larger than the sum of its proper divisors (278946971764).

344221543436 is a wasteful number, since it uses less digits than its factorization.

344221543436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022145 (or 6022143 counting only the distinct ones).

The product of its digits is 829440, while the sum is 41.

Adding to 344221543436 its reverse (634345122443), we get a palindrome (978566665879).

The spelling of 344221543436 in words is "three hundred forty-four billion, two hundred twenty-one million, five hundred forty-three thousand, four hundred thirty-six".