326679609312 has 576 divisors, whose sum is σ = 1145394432000. Its totient is φ = 86253133824.

The previous prime is 326679609283. The next prime is 326679609317. The reversal of 326679609312 is 213906976623.

326679609312 is a `hidden beast` number, since 3 + 26 + 6 + 7 + 9 + 609 + 3 + 1 + 2 = 666.

It is a super-2 number, since 2×326679609312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326679609317) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 269314818 + ... + 269316030.

It is an arithmetic number, because the mean of its divisors is an integer number (1988532000).

Almost surely, 2^326679609312 is an apocalyptic number.

326679609312 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 326679609312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572697216000).

326679609312 is an abundant number, since it is smaller than the sum of its proper divisors (818714822688).

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

326679609312 is a wasteful number, since it uses less digits than its factorization.

326679609312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 326679609312 in words is "three hundred twenty-six billion, six hundred seventy-nine million, six hundred nine thousand, three hundred twelve".