320440124 has 6 divisors (see below), whose sum is σ = 560770224. Its totient is φ = 160220060.

The previous prime is 320440121. The next prime is 320440129. The reversal of 320440124 is 421044023.

It is a junction number, because it is equal to n+sod(n) for n = 320440096 and 320440105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320440121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40055012 + ... + 40055019.

It is an arithmetic number, because the mean of its divisors is an integer number (93461704).

Almost surely, 2^320440124 is an apocalyptic number.

It is an amenable number.

320440124 is a deficient number, since it is larger than the sum of its proper divisors (240330100).

320440124 is a wasteful number, since it uses less digits than its factorization.

320440124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80110035 (or 80110033 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 320440124 is about 17900.8414327372. The cubic root of 320440124 is about 684.3038189529.

Adding to 320440124 its reverse (421044023), we get a palindrome (741484147).

The spelling of 320440124 in words is "three hundred twenty million, four hundred forty thousand, one hundred twenty-four".