344203020424 has 8 divisors (see below), whose sum is σ = 645380663310. Its totient is φ = 172101510208.

The previous prime is 344203020407. The next prime is 344203020451. The reversal of 344203020424 is 424020302443.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 290833704100 + 53369316324 = 539290^2 + 231018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×344203020424² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344203020392 and 344203020401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21512688769 + ... + 21512688784.

Almost surely, 2^344203020424 is an apocalyptic number.

It is an amenable number.

344203020424 is a deficient number, since it is larger than the sum of its proper divisors (301177642886).

344203020424 is a wasteful number, since it uses less digits than its factorization.

344203020424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43025377559 (or 43025377555 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 344203020424 its reverse (424020302443), we get a palindrome (768223322867).

The spelling of 344203020424 in words is "three hundred forty-four billion, two hundred three million, twenty thousand, four hundred twenty-four".