326333407064 has 64 divisors (see below), whose sum is σ = 716329958400. Its totient is φ = 136482971904.

The previous prime is 326333407021. The next prime is 326333407091. The reversal of 326333407064 is 460704333623.

It is a happy number.

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, 92177 + ... + 813119.

It is an arithmetic number, because the mean of its divisors is an integer number (11192655600).

Almost surely, 2^326333407064 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 326333407064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358164979200).

326333407064 is an abundant number, since it is smaller than the sum of its proper divisors (389996551336).

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

326333407064 is a wasteful number, since it uses less digits than its factorization.

326333407064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721152 (or 721148 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 41.

The spelling of 326333407064 in words is "three hundred twenty-six billion, three hundred thirty-three million, four hundred seven thousand, sixty-four".