326611423404552 has 384 divisors, whose sum is σ = 1031399243637120. Its totient is φ = 85134366720000.

The previous prime is 326611423404533. The next prime is 326611423404649. The reversal of 326611423404552 is 255404324116623.

It is a super-3 number, since 3×326611423404552³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74473902 + ... + 78737442.

It is an arithmetic number, because the mean of its divisors is an integer number (2685935530305).

Almost surely, 2^{326611423404552} 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 326611423404552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515699621818560).

326611423404552 is an abundant number, since it is smaller than the sum of its proper divisors (704787820232568).

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

326611423404552 is a wasteful number, since it uses less digits than its factorization.

326611423404552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263705 (or 4263688 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 326611423404552 in words is "three hundred twenty-six trillion, six hundred eleven billion, four hundred twenty-three million, four hundred four thousand, five hundred fifty-two".