344342105505 has 80 divisors (see below), whose sum is σ = 637703345664. Its totient is φ = 177578127360.

The previous prime is 344342105483. The next prime is 344342105531. The reversal of 344342105505 is 505501243443.

344342105505 is a `hidden beast` number, since 3 + 4 + 4 + 3 + 42 + 105 + 505 = 666.

It is not a de Polignac number, because 344342105505 - 2⁸ = 344342105249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344342105505.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 16097377 + ... + 16118753.

Almost surely, 2^344342105505 is an apocalyptic number.

It is an amenable number.

344342105505 is a deficient number, since it is larger than the sum of its proper divisors (293361240159).

344342105505 is a wasteful number, since it uses less digits than its factorization.

344342105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708 (or 22699 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 344342105505 its reverse (505501243443), we get a palindrome (849843348948).

The spelling of 344342105505 in words is "three hundred forty-four billion, three hundred forty-two million, one hundred five thousand, five hundred five".