326426332604416 has 96 divisors (see below), whose sum is σ = 712496622146400. Its totient is φ = 148278166896640.

The previous prime is 326426332604371. The next prime is 326426332604417. The reversal of 326426332604416 is 614406233624623.

It is not an unprimeable number, because it can be changed into a prime (326426332604417) 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 7 ways as a sum of consecutive naturals, for example, 29553150 + ... + 39067138.

It is an arithmetic number, because the mean of its divisors is an integer number (7421839814025).

Almost surely, 2^{326426332604416} 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 326426332604416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356248311073200).

326426332604416 is an abundant number, since it is smaller than the sum of its proper divisors (386070289541984).

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

326426332604416 is a wasteful number, since it uses less digits than its factorization.

326426332604416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515545 (or 9515525 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 52.

The spelling of 326426332604416 in words is "three hundred twenty-six trillion, four hundred twenty-six billion, three hundred thirty-two million, six hundred four thousand, four hundred sixteen".