326448811652138 has 128 divisors (see below), whose sum is σ = 585542172672000. Its totient is φ = 136379710756800.

The previous prime is 326448811652129. The next prime is 326448811652207. The reversal of 326448811652138 is 831256118844623.

It is a super-3 number, since 3×326448811652138³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47803307708 + ... + 47803314536.

It is an arithmetic number, because the mean of its divisors is an integer number (4574548224000).

Almost surely, 2^{326448811652138} is an apocalyptic number.

326448811652138 is a deficient number, since it is larger than the sum of its proper divisors (259093361019862).

326448811652138 is a wasteful number, since it uses less digits than its factorization.

326448811652138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12641 (or 12627 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 62.

The spelling of 326448811652138 in words is "three hundred twenty-six trillion, four hundred forty-eight billion, eight hundred eleven million, six hundred fifty-two thousand, one hundred thirty-eight".