326732560 has 320 divisors, whose sum is σ = 1028505600. Its totient is φ = 93542400.

The previous prime is 326732509. The next prime is 326732561. The reversal of 326732560 is 65237623.

It is not an unprimeable number, because it can be changed into a prime (326732561) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5537811 + ... + 5537869.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^326732560 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 326732560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514252800).

326732560 is an abundant number, since it is smaller than the sum of its proper divisors (701773040).

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

326732560 is a wasteful number, since it uses less digits than its factorization.

326732560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 326732560 is about 18075.7450745467. The cubic root of 326732560 is about 688.7540070452.

The spelling of 326732560 in words is "three hundred twenty-six million, seven hundred thirty-two thousand, five hundred sixty".