326470144 has 240 divisors, whose sum is σ = 898603200. Its totient is φ = 117411840.

The previous prime is 326470127. The next prime is 326470153. The reversal of 326470144 is 441074623.

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 23 ways as a sum of consecutive naturals, for example, 25113082 + ... + 25113094.

It is an arithmetic number, because the mean of its divisors is an integer number (3744180).

Almost surely, 2^326470144 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 326470144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449301600).

326470144 is an abundant number, since it is smaller than the sum of its proper divisors (572133056).

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

326470144 is an equidigital number, since it uses as much as digits as its factorization.

326470144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 326470144 is about 18068.4848285627. The cubic root of 326470144 is about 688.5695662083.

The spelling of 326470144 in words is "three hundred twenty-six million, four hundred seventy thousand, one hundred forty-four".