326216224320 has 224 divisors, whose sum is σ = 1194764110848. Its totient is φ = 73866688512.

The previous prime is 326216224207. The next prime is 326216224331. The reversal of 326216224320 is 23422612623.

326216224320 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492199 + ... + 945881.

It is an arithmetic number, because the mean of its divisors is an integer number (5333768352).

Almost surely, 2^326216224320 is an apocalyptic number.

326216224320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326216224320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597382055424).

326216224320 is an abundant number, since it is smaller than the sum of its proper divisors (868547886528).

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

326216224320 is a wasteful number, since it uses less digits than its factorization.

326216224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453817 (or 453807 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 326216224320 its reverse (23422612623), we get a palindrome (349638836943).

The spelling of 326216224320 in words is "three hundred twenty-six billion, two hundred sixteen million, two hundred twenty-four thousand, three hundred twenty".