326465540135322 has 256 divisors, whose sum is σ = 784593603763200. Its totient is φ = 90467087155200.

The previous prime is 326465540135299. The next prime is 326465540135381. The reversal of 326465540135322 is 223531045564623.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12058699578 + ... + 12058726650.

It is an arithmetic number, because the mean of its divisors is an integer number (3064818764700).

Almost surely, 2^{326465540135322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326465540135322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392296801881600).

326465540135322 is an abundant number, since it is smaller than the sum of its proper divisors (458128063627878).

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

326465540135322 is a wasteful number, since it uses less digits than its factorization.

326465540135322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27974 (or 27960 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 51.

Adding to 326465540135322 its reverse (223531045564623), we get a palindrome (549996585699945).

The spelling of 326465540135322 in words is "three hundred twenty-six trillion, four hundred sixty-five billion, five hundred forty million, one hundred thirty-five thousand, three hundred twenty-two".