344053320545 has 64 divisors (see below), whose sum is σ = 468739319040. Its totient is φ = 240139468800.

The previous prime is 344053320511. The next prime is 344053320577. The reversal of 344053320545 is 545023350443.

It is not a de Polignac number, because 344053320545 - 2¹⁶ = 344053255009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344053320499 and 344053320508.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260448485 + ... + 260449805.

It is an arithmetic number, because the mean of its divisors is an integer number (7324051860).

Almost surely, 2^344053320545 is an apocalyptic number.

It is an amenable number.

344053320545 is a deficient number, since it is larger than the sum of its proper divisors (124685998495).

344053320545 is a wasteful number, since it uses less digits than its factorization.

344053320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 344053320545 its reverse (545023350443), we get a palindrome (889076670988).

The spelling of 344053320545 in words is "three hundred forty-four billion, fifty-three million, three hundred twenty thousand, five hundred forty-five".