320246475632 has 20 divisors (see below), whose sum is σ = 640492952256. Its totient is φ = 154957971840.

The previous prime is 320246475631. The next prime is 320246475667. The reversal of 320246475632 is 236574642023.

It is a happy number.

320246475632 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320246475631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322828613 + ... + 322829604.

Almost surely, 2^320246475632 is an apocalyptic number.

It is an amenable number.

320246475632 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320246475632 is a wasteful number, since it uses less digits than its factorization.

320246475632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645658256 (or 645658250 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 320246475632 in words is "three hundred twenty billion, two hundred forty-six million, four hundred seventy-five thousand, six hundred thirty-two".