326420524226216 has 128 divisors (see below), whose sum is σ = 726099172392960. Its totient is φ = 134667262022400.

The previous prime is 326420524226213. The next prime is 326420524226393. The reversal of 326420524226216 is 612622425024623.

It is a super-2 number, since 2×326420524226216² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (326420524226213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5463715241 + ... + 5463774983.

It is an arithmetic number, because the mean of its divisors is an integer number (5672649784320).

Almost surely, 2^{326420524226216} 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 326420524226216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363049586196480).

326420524226216 is an abundant number, since it is smaller than the sum of its proper divisors (399678648166744).

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

326420524226216 is a wasteful number, since it uses less digits than its factorization.

326420524226216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93895 (or 93891 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 326420524226216 in words is "three hundred twenty-six trillion, four hundred twenty billion, five hundred twenty-four million, two hundred twenty-six thousand, two hundred sixteen".