344744666768 has 20 divisors (see below), whose sum is σ = 670354146300. Its totient is φ = 171750048384.

The previous prime is 344744666753. The next prime is 344744666839. The reversal of 344744666768 is 867666447443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41923381504 + 302821285264 = 204752^2 + 550292^2 .

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, 38888243 + ... + 38897106.

It is an arithmetic number, because the mean of its divisors is an integer number (33517707315).

Almost surely, 2^344744666768 is an apocalyptic number.

It is an amenable number.

344744666768 is a deficient number, since it is larger than the sum of its proper divisors (325609479532).

344744666768 is a wasteful number, since it uses less digits than its factorization.

344744666768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77785634 (or 77785628 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 65.

The spelling of 344744666768 in words is "three hundred forty-four billion, seven hundred forty-four million, six hundred sixty-six thousand, seven hundred sixty-eight".