326285211648 has 384 divisors, whose sum is σ = 1037308446720. Its totient is φ = 90046464000.

The previous prime is 326285211619. The next prime is 326285211661. The reversal of 326285211648 is 846112582623.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 326285211597 and 326285211606.

It is a congruent number.

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, 35612188 + ... + 35621348.

It is an arithmetic number, because the mean of its divisors is an integer number (2701324080).

Almost surely, 2^326285211648 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 326285211648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518654223360).

326285211648 is an abundant number, since it is smaller than the sum of its proper divisors (711023235072).

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

326285211648 is a wasteful number, since it uses less digits than its factorization.

326285211648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245 (or 9225 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The spelling of 326285211648 in words is "three hundred twenty-six billion, two hundred eighty-five million, two hundred eleven thousand, six hundred forty-eight".