320104115240 has 256 divisors, whose sum is σ = 900922176000. Its totient is φ = 99660201984.

The previous prime is 320104115237. The next prime is 320104115251. The reversal of 320104115240 is 42511401023.

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, 119306939 + ... + 119309621.

It is an arithmetic number, because the mean of its divisors is an integer number (3519227250).

Almost surely, 2^320104115240 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 320104115240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450461088000).

320104115240 is an abundant number, since it is smaller than the sum of its proper divisors (580818060760).

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

320104115240 is a wasteful number, since it uses less digits than its factorization.

320104115240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3232 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 320104115240 its reverse (42511401023), we get a palindrome (362615516263).

The spelling of 320104115240 in words is "three hundred twenty billion, one hundred four million, one hundred fifteen thousand, two hundred forty".