326460884416128 has 1792 divisors, whose sum is σ = 1270893308313600. Its totient is φ = 81016613683200.

The previous prime is 326460884416081. The next prime is 326460884416223. The reversal of 326460884416128 is 821614488064623.

It is a happy number.

326460884416128 is a `hidden beast` number, since 3 + 2 + 6 + 4 + 6 + 0 + 8 + 8 + 4 + 4 + 1 + 612 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 17596114500 + ... + 17596133052.

Almost surely, 2^{326460884416128} 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 326460884416128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635446654156800).

326460884416128 is an abundant number, since it is smaller than the sum of its proper divisors (944432423897472).

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

326460884416128 is a wasteful number, since it uses less digits than its factorization.

326460884416128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18713 (or 18686 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 63.

The spelling of 326460884416128 in words is "three hundred twenty-six trillion, four hundred sixty billion, eight hundred eighty-four million, four hundred sixteen thousand, one hundred twenty-eight".