326699074338 has 128 divisors (see below), whose sum is σ = 832468492800. Its totient is φ = 83135711232.

The previous prime is 326699074249. The next prime is 326699074349. The reversal of 326699074338 is 833470996623.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27054270 + ... + 27066342.

It is an arithmetic number, because the mean of its divisors is an integer number (6503660100).

Almost surely, 2^326699074338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326699074338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416234246400).

326699074338 is an abundant number, since it is smaller than the sum of its proper divisors (505769418462).

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

326699074338 is a wasteful number, since it uses less digits than its factorization.

326699074338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13836.

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 326699074338 in words is "three hundred twenty-six billion, six hundred ninety-nine million, seventy-four thousand, three hundred thirty-eight".