326768140 has 24 divisors (see below), whose sum is σ = 686568960. Its totient is φ = 130639488.

The previous prime is 326768129. The next prime is 326768147. The reversal of 326768140 is 41867623.

It is a self number, because there is not a number n which added to its sum of digits gives 326768140.

It is not an unprimeable number, because it can be changed into a prime (326768147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56629 + ... + 62131.

It is an arithmetic number, because the mean of its divisors is an integer number (28607040).

Almost surely, 2^326768140 is an apocalyptic number.

It is an amenable number.

326768140 is an abundant number, since it is smaller than the sum of its proper divisors (359800820).

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

326768140 is a wasteful number, since it uses less digits than its factorization.

326768140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481 (or 8479 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 326768140 is about 18076.7292395499. The cubic root of 326768140 is about 688.7790070820.

The spelling of 326768140 in words is "three hundred twenty-six million, seven hundred sixty-eight thousand, one hundred forty".