327638045472 has 48 divisors (see below), whose sum is σ = 860288560992. Its totient is φ = 109182371840.

The previous prime is 327638045459. The next prime is 327638045491. The reversal of 327638045472 is 274540836723.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124554 + ... + 819017.

It is an arithmetic number, because the mean of its divisors is an integer number (17922678354).

Almost surely, 2^327638045472 is an apocalyptic number.

327638045472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

327638045472 is an abundant number, since it is smaller than the sum of its proper divisors (532650515520).

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

327638045472 is a wasteful number, since it uses less digits than its factorization.

327638045472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947201 (or 947193 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 327638045472 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, four hundred seventy-two".