326434011405304 has 128 divisors (see below), whose sum is σ = 692708374180800. Its totient is φ = 142905047040000.

The previous prime is 326434011405289. The next prime is 326434011405311. The reversal of 326434011405304 is 403504110434623.

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, 1390614664 + ... + 1390849384.

Almost surely, 2^{326434011405304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326434011405304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346354187090400).

326434011405304 is an abundant number, since it is smaller than the sum of its proper divisors (366274362775496).

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

326434011405304 is a wasteful number, since it uses less digits than its factorization.

326434011405304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239105 (or 239101 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 326434011405304 its reverse (403504110434623), we get a palindrome (729938121839927).

The spelling of 326434011405304 in words is "three hundred twenty-six trillion, four hundred thirty-four billion, eleven million, four hundred five thousand, three hundred four".