326685980113920 has 2464 divisors, whose sum is σ = 1384524409337856. Its totient is φ = 72387418521600.

The previous prime is 326685980113907. The next prime is 326685980113921. The reversal of 326685980113920 is 29311089586623.

326685980113920 is a `hidden beast` number, since 3 + 2 + 6 + 6 + 8 + 598 + 0 + 1 + 1 + 39 + 2 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326685980113921) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 113157594717 + ... + 113157597603.

Almost surely, 2^{326685980113920} is an apocalyptic number.

326685980113920 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 326685980113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692262204668928).

326685980113920 is an abundant number, since it is smaller than the sum of its proper divisors (1057838429223936).

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

326685980113920 is an equidigital number, since it uses as much as digits as its factorization.

326685980113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 326685980113920 in words is "three hundred twenty-six trillion, six hundred eighty-five billion, nine hundred eighty million, one hundred thirteen thousand, nine hundred twenty".