326613643260 has 96 divisors (see below), whose sum is σ = 920886177792. Its totient is φ = 86490892800.

The previous prime is 326613643259. The next prime is 326613643271. The reversal of 326613643260 is 62346316623.

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, 45504792 + ... + 45511968.

It is an arithmetic number, because the mean of its divisors is an integer number (9592564352).

Almost surely, 2^326613643260 is an apocalyptic number.

326613643260 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 326613643260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460443088896).

326613643260 is an abundant number, since it is smaller than the sum of its proper divisors (594272534532).

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

326613643260 is a wasteful number, since it uses less digits than its factorization.

326613643260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363 (or 12361 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 42.

Adding to 326613643260 its reverse (62346316623), we get a palindrome (388959959883).

The spelling of 326613643260 in words is "three hundred twenty-six billion, six hundred thirteen million, six hundred forty-three thousand, two hundred sixty".