320340044213541 has 48 divisors (see below), whose sum is σ = 523546186887360. Its totient is φ = 194118613153920.

The previous prime is 320340044213459. The next prime is 320340044213543. The reversal of 320340044213541 is 145312440043023.

320340044213541 is a `hidden beast` number, since 3 + 2 + 0 + 3 + 40 + 0 + 442 + 135 + 41 = 666.

It is not a de Polignac number, because 320340044213541 - 2¹⁴ = 320340044197157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320340044213496 and 320340044213505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320340044213543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11034081 + ... + 27612153.

It is an arithmetic number, because the mean of its divisors is an integer number (10907212226820).

Almost surely, 2^{320340044213541} is an apocalyptic number.

It is an amenable number.

320340044213541 is a deficient number, since it is larger than the sum of its proper divisors (203206142673819).

320340044213541 is a wasteful number, since it uses less digits than its factorization.

320340044213541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585328 (or 16585316 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 320340044213541 its reverse (145312440043023), we get a palindrome (465652484256564).

The spelling of 320340044213541 in words is "three hundred twenty trillion, three hundred forty billion, forty-four million, two hundred thirteen thousand, five hundred forty-one".