327631478442 has 32 divisors (see below), whose sum is σ = 658452326400. Its totient is φ = 108679063920.

The previous prime is 327631478431. The next prime is 327631478509. The reversal of 327631478442 is 244874136723.

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 15 ways as a sum of consecutive naturals, for example, 16320103 + ... + 16340165.

It is an arithmetic number, because the mean of its divisors is an integer number (20576635200).

Almost surely, 2^327631478442 is an apocalyptic number.

327631478442 is an abundant number, since it is smaller than the sum of its proper divisors (330820847958).

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

327631478442 is a wasteful number, since it uses less digits than its factorization.

327631478442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33178.

The product of its digits is 5419008, while the sum is 51.

The spelling of 327631478442 in words is "three hundred twenty-seven billion, six hundred thirty-one million, four hundred seventy-eight thousand, four hundred forty-two".