326052287072 has 96 divisors (see below), whose sum is σ = 697832755200. Its totient is φ = 149391820800.

The previous prime is 326052287023. The next prime is 326052287089. The reversal of 326052287072 is 270782250623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76878872 + ... + 76883112.

It is an arithmetic number, because the mean of its divisors is an integer number (7269091200).

Almost surely, 2^326052287072 is an apocalyptic number.

326052287072 is a gapful number since it is divisible by the number (32) 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 326052287072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348916377600).

326052287072 is an abundant number, since it is smaller than the sum of its proper divisors (371780468128).

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

326052287072 is a wasteful number, since it uses less digits than its factorization.

326052287072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380 (or 8372 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 326052287072 in words is "three hundred twenty-six billion, fifty-two million, two hundred eighty-seven thousand, seventy-two".