326550528 has 220 divisors, whose sum is σ = 1014525952. Its totient is φ = 104509440.

The previous prime is 326550509. The next prime is 326550533. The reversal of 326550528 is 825055623.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 326550492 and 326550501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2571201 + ... + 2571327.

Almost surely, 2^326550528 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 326550528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507262976).

326550528 is an abundant number, since it is smaller than the sum of its proper divisors (687975424).

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

326550528 is a wasteful number, since it uses less digits than its factorization.

326550528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 326550528 is about 18070.7091172427. The cubic root of 326550528 is about 688.6260751366.

The spelling of 326550528 in words is "three hundred twenty-six million, five hundred fifty thousand, five hundred twenty-eight".