344040303403 has 16 divisors (see below), whose sum is σ = 360974794752. Its totient is φ = 327271428000.

The previous prime is 344040303401. The next prime is 344040303461. The reversal of 344040303403 is 304303040443.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 344040303403 - 2¹ = 344040303401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344040303401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21346318 + ... + 21362428.

It is an arithmetic number, because the mean of its divisors is an integer number (22560924672).

Almost surely, 2^344040303403 is an apocalyptic number.

344040303403 is a deficient number, since it is larger than the sum of its proper divisors (16934491349).

344040303403 is a wasteful number, since it uses less digits than its factorization.

344040303403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21186.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 344040303403 its reverse (304303040443), we get a palindrome (648343343846).

The spelling of 344040303403 in words is "three hundred forty-four billion, forty million, three hundred three thousand, four hundred three".