326988580800 has 672 divisors, whose sum is σ = 1328461972992. Its totient is φ = 68702699520.

The previous prime is 326988580747. The next prime is 326988580813. The reversal of 326988580800 is 8085889623.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24554944 + ... + 24568256.

It is an arithmetic number, because the mean of its divisors is an integer number (1976877936).

Almost surely, 2^326988580800 is an apocalyptic number.

326988580800 is a gapful number since it is divisible by the number (30) 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 326988580800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664230986496).

326988580800 is an abundant number, since it is smaller than the sum of its proper divisors (1001473392192).

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

326988580800 is a wasteful number, since it uses less digits than its factorization.

326988580800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13405 (or 13390 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 326988580800 in words is "three hundred twenty-six billion, nine hundred eighty-eight million, five hundred eighty thousand, eight hundred".