326120256 has 560 divisors, whose sum is σ = 1298204160. Its totient is φ = 78382080.

The previous prime is 326120239. The next prime is 326120269. The reversal of 326120256 is 652021623.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 7584171 + ... + 7584213.

Almost surely, 2^326120256 is an apocalyptic number.

326120256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326120256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649102080).

326120256 is an abundant number, since it is smaller than the sum of its proper divisors (972083904).

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

326120256 is a wasteful number, since it uses less digits than its factorization.

326120256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 326120256 is about 18058.7999601302. The cubic root of 326120256 is about 688.3234912844.

Adding to 326120256 its reverse (652021623), we get a palindrome (978141879).

The spelling of 326120256 in words is "three hundred twenty-six million, one hundred twenty thousand, two hundred fifty-six".