328472635680 has 144 divisors (see below), whose sum is σ = 1281043318464. Its totient is φ = 75079457280.

The previous prime is 328472635651. The next prime is 328472635703. The reversal of 328472635680 is 86536274823.

328472635680 is a `hidden beast` number, since 3 + 2 + 8 + 4 + 72 + 6 + 3 + 568 + 0 = 666.

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

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16283206 + ... + 16303365.

It is an arithmetic number, because the mean of its divisors is an integer number (8896134156).

Almost surely, 2^328472635680 is an apocalyptic number.

328472635680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328472635680 is an abundant number, since it is smaller than the sum of its proper divisors (952570682784).

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

328472635680 is a wasteful number, since it uses less digits than its factorization.

328472635680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32586599 (or 32586588 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 328472635680 in words is "three hundred twenty-eight billion, four hundred seventy-two million, six hundred thirty-five thousand, six hundred eighty".