326552240 has 160 divisors (see below), whose sum is σ = 934225920. Its totient is φ = 103652352.

The previous prime is 326552227. The next prime is 326552257. The reversal of 326552240 is 42255623.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499754 + ... + 500406.

It is an arithmetic number, because the mean of its divisors is an integer number (5838912).

Almost surely, 2^326552240 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 326552240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467112960).

326552240 is an abundant number, since it is smaller than the sum of its proper divisors (607673680).

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

326552240 is a wasteful number, since it uses less digits than its factorization.

326552240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 326552240 is about 18070.7564866554. The cubic root of 326552240 is about 688.6272785499.

It can be divided in two parts, 3265 and 52240, that multiplied together give a square (170563600 = 13060²).

The spelling of 326552240 in words is "three hundred twenty-six million, five hundred fifty-two thousand, two hundred forty".