326275880 has 64 divisors (see below), whose sum is σ = 856880640. Its totient is φ = 109481472.

The previous prime is 326275871. The next prime is 326275889. The reversal of 326275880 is 88572623.

It is an interprime number because it is at equal distance from previous prime (326275871) and next prime (326275889).

It is not an unprimeable number, because it can be changed into a prime (326275889) 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 15 ways as a sum of consecutive naturals, for example, 764 + ... + 25556.

It is an arithmetic number, because the mean of its divisors is an integer number (13388760).

Almost surely, 2^326275880 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 326275880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428440320).

326275880 is an abundant number, since it is smaller than the sum of its proper divisors (530604760).

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

326275880 is a wasteful number, since it uses less digits than its factorization.

326275880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24858 (or 24854 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 326275880 is about 18063.1082596545. The cubic root of 326275880 is about 688.4329627840.

The spelling of 326275880 in words is "three hundred twenty-six million, two hundred seventy-five thousand, eight hundred eighty".