326242140 has 96 divisors (see below), whose sum is σ = 1077694464. Its totient is φ = 72161280.

The previous prime is 326242139. The next prime is 326242153. The reversal of 326242140 is 41242623.

It is a self number, because there is not a number n which added to its sum of digits gives 326242140.

It is a congruent number.

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, 492 + ... + 25548.

It is an arithmetic number, because the mean of its divisors is an integer number (11225984).

Almost surely, 2^326242140 is an apocalyptic number.

326242140 is a gapful number since it is divisible by the number (30) 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 326242140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538847232).

326242140 is an abundant number, since it is smaller than the sum of its proper divisors (751452324).

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

326242140 is a wasteful number, since it uses less digits than its factorization.

326242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25107 (or 25105 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 326242140 is about 18062.1742877207. The cubic root of 326242140 is about 688.4092318145.

Adding to 326242140 its reverse (41242623), we get a palindrome (367484763).

The spelling of 326242140 in words is "three hundred twenty-six million, two hundred forty-two thousand, one hundred forty".