327638045550 has 48 divisors (see below), whose sum is σ = 812582245872. Its totient is φ = 87365856000.

The previous prime is 327638045549. The next prime is 327638045599. The reversal of 327638045550 is 55540836723.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 327638045550.

It is a congruent number.

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, 4060600 + ... + 4140500.

It is an arithmetic number, because the mean of its divisors is an integer number (16928796789).

Almost surely, 2^327638045550 is an apocalyptic number.

327638045550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

327638045550 is an abundant number, since it is smaller than the sum of its proper divisors (484944200322).

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

327638045550 is a wasteful number, since it uses less digits than its factorization.

327638045550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107253 (or 107248 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 327638045550 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, five hundred fifty".