326363411609312 has 384 divisors, whose sum is σ = 847507923763200. Its totient is φ = 119852533094400.

The previous prime is 326363411609309. The next prime is 326363411609329. The reversal of 326363411609312 is 213906114363623.

It is a super-2 number, since 2×326363411609312² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20159570114 + ... + 20159586302.

It is an arithmetic number, because the mean of its divisors is an integer number (2207051884800).

Almost surely, 2^{326363411609312} is an apocalyptic number.

326363411609312 is a gapful number since it is divisible by the number (32) 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 326363411609312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423753961881600).

326363411609312 is an abundant number, since it is smaller than the sum of its proper divisors (521144512153888).

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

326363411609312 is a wasteful number, since it uses less digits than its factorization.

326363411609312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18390 (or 18382 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 326363411609312 in words is "three hundred twenty-six trillion, three hundred sixty-three billion, four hundred eleven million, six hundred nine thousand, three hundred twelve".