326875680 has 144 divisors (see below), whose sum is σ = 1141620480. Its totient is φ = 85123584.

The previous prime is 326875669. The next prime is 326875697. The reversal of 326875680 is 86578623.

326875680 is a `hidden beast` number, since 3 + 2 + 6 + 87 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59281 + ... + 64559.

It is an arithmetic number, because the mean of its divisors is an integer number (7927920).

Almost surely, 2^326875680 is an apocalyptic number.

326875680 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 326875680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570810240).

326875680 is an abundant number, since it is smaller than the sum of its proper divisors (814744800).

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

326875680 is a wasteful number, since it uses less digits than its factorization.

326875680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343 (or 5332 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 326875680 is about 18079.7035373924. The cubic root of 326875680 is about 688.8545582768.

The spelling of 326875680 in words is "three hundred twenty-six million, eight hundred seventy-five thousand, six hundred eighty".