320104115532 has 144 divisors (see below), whose sum is σ = 884471034720. Its totient is φ = 97268428800.

The previous prime is 320104115503. The next prime is 320104115533. The reversal of 320104115532 is 235511401023.

320104115532 is a `hidden beast` number, since 3 + 2 + 0 + 10 + 4 + 115 + 532 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 320104115496 and 320104115505.

It is not an unprimeable number, because it can be changed into a prime (320104115533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1969032 + ... + 2125392.

Almost surely, 2^320104115532 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 320104115532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442235517360).

320104115532 is an abundant number, since it is smaller than the sum of its proper divisors (564366919188).

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

320104115532 is a wasteful number, since it uses less digits than its factorization.

320104115532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156504 (or 156499 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 320104115532 its reverse (235511401023), we get a palindrome (555615516555).

The spelling of 320104115532 in words is "three hundred twenty billion, one hundred four million, one hundred fifteen thousand, five hundred thirty-two".