326220410880 has 1040 divisors, whose sum is σ = 1439949491904. Its totient is φ = 68797071360.

The previous prime is 326220410863. The next prime is 326220410899. The reversal of 326220410880 is 88014022623.

326220410880 is a `hidden beast` number, since 326 + 220 + 4 + 108 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1040).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 150957000 + ... + 150959160.

Almost surely, 2^326220410880 is an apocalyptic number.

326220410880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326220410880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719974745952).

326220410880 is an abundant number, since it is smaller than the sum of its proper divisors (1113729081024).

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

326220410880 is a wasteful number, since it uses less digits than its factorization.

326220410880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 326220410880 in words is "three hundred twenty-six billion, two hundred twenty million, four hundred ten thousand, eight hundred eighty".