320383405395 has 24 divisors (see below), whose sum is σ = 556904439936. Its totient is φ = 170387086848.

The previous prime is 320383405387. The next prime is 320383405399. The reversal of 320383405395 is 593504383023.

320383405395 is a `hidden beast` number, since 3 + 203 + 8 + 3 + 405 + 39 + 5 = 666.

It is not a de Polignac number, because 320383405395 - 2³ = 320383405387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 320383405395.

It is not an unprimeable number, because it can be changed into a prime (320383405399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10068579 + ... + 10100348.

It is an arithmetic number, because the mean of its divisors is an integer number (23204351664).

Almost surely, 2^320383405395 is an apocalyptic number.

320383405395 is a deficient number, since it is larger than the sum of its proper divisors (236521034541).

320383405395 is a wasteful number, since it uses less digits than its factorization.

320383405395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20169291 (or 20169288 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 320383405395 in words is "three hundred twenty billion, three hundred eighty-three million, four hundred five thousand, three hundred ninety-five".