320504641120 has 96 divisors (see below), whose sum is σ = 769595752800. Its totient is φ = 126107283456.

The previous prime is 320504641103. The next prime is 320504641169. The reversal of 320504641120 is 21146405023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7579396 + ... + 7621564.

It is an arithmetic number, because the mean of its divisors is an integer number (8016622425).

Almost surely, 2^320504641120 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 320504641120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384797876400).

320504641120 is an abundant number, since it is smaller than the sum of its proper divisors (449091111680).

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

320504641120 is a wasteful number, since it uses less digits than its factorization.

320504641120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42960 (or 42952 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 320504641120 in words is "three hundred twenty billion, five hundred four million, six hundred forty-one thousand, one hundred twenty".