326455272 has 240 divisors, whose sum is σ = 1084121280. Its totient is φ = 90979200.

The previous prime is 326455271. The next prime is 326455273. The reversal of 326455272 is 272554623.

326455272 is a `hidden beast` number, since 3 + 2 + 645 + 5 + 2 + 7 + 2 = 666.

326455272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (326455271) and next prime (326455273).

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

Its product of digits (100800) is a multiple of the sum of its prime divisors (300).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326455271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1204497 + ... + 1204767.

It is an arithmetic number, because the mean of its divisors is an integer number (4517172).

Almost surely, 2^326455272 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 326455272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542060640).

326455272 is an abundant number, since it is smaller than the sum of its proper divisors (757666008).

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

326455272 is a wasteful number, since it uses less digits than its factorization.

326455272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 300 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 326455272 is about 18068.0732785762. The cubic root of 326455272 is about 688.5591103649.

The spelling of 326455272 in words is "three hundred twenty-six million, four hundred fifty-five thousand, two hundred seventy-two".