320134040424 has 160 divisors (see below), whose sum is σ = 982089995040. Its totient is φ = 96623280000.

The previous prime is 320134040417. The next prime is 320134040449. The reversal of 320134040424 is 424040431023.

It is a happy number.

320134040424 is a `hidden beast` number, since 3 + 201 + 34 + 0 + 4 + 0 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1699662 + ... + 1878594.

It is an arithmetic number, because the mean of its divisors is an integer number (6138062469).

Almost surely, 2^320134040424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320134040424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491044997520).

320134040424 is an abundant number, since it is smaller than the sum of its proper divisors (661955954616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320134040424 is a wasteful number, since it uses less digits than its factorization.

320134040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179213 (or 179200 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 320134040424 its reverse (424040431023), we get a palindrome (744174471447).

The spelling of 320134040424 in words is "three hundred twenty billion, one hundred thirty-four million, forty thousand, four hundred twenty-four".