326342144 has 40 divisors (see below), whose sum is σ = 658869288. Its totient is φ = 161464320.

The previous prime is 326342143. The next prime is 326342153. The reversal of 326342144 is 441243623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326342143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46379 + ... + 52949.

Almost surely, 2^326342144 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 326342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329434644).

326342144 is an abundant number, since it is smaller than the sum of its proper divisors (332527144).

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

326342144 is an frugal number, since it uses more digits than its factorization.

326342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686 (or 6670 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 326342144 is about 18064.9424023438. The cubic root of 326342144 is about 688.4795646903.

Adding to 326342144 its reverse (441243623), we get a palindrome (767585767).

The spelling of 326342144 in words is "three hundred twenty-six million, three hundred forty-two thousand, one hundred forty-four".