320036036320 has 432 divisors, whose sum is σ = 1041159256704. Its totient is φ = 92074752000.

The previous prime is 320036036291. The next prime is 320036036321. The reversal of 320036036320 is 23630630023.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320036036321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12319345 + ... + 12345295.

It is an arithmetic number, because the mean of its divisors is an integer number (2410090872).

Almost surely, 2^320036036320 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 320036036320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520579628352).

320036036320 is an abundant number, since it is smaller than the sum of its proper divisors (721123220384).

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

320036036320 is a wasteful number, since it uses less digits than its factorization.

320036036320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26015 (or 25989 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 320036036320 its reverse (23630630023), we get a palindrome (343666666343).

The spelling of 320036036320 in words is "three hundred twenty billion, thirty-six million, thirty-six thousand, three hundred twenty".