320545145424 has 40 divisors (see below), whose sum is σ = 946371382720. Its totient is φ = 91584327168.

The previous prime is 320545145387. The next prime is 320545145443. The reversal of 320545145424 is 424541545023.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 477001369 + ... + 477002040.

It is an arithmetic number, because the mean of its divisors is an integer number (23659284568).

Almost surely, 2^320545145424 is an apocalyptic number.

It is an amenable number.

320545145424 is an abundant number, since it is smaller than the sum of its proper divisors (625826237296).

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

320545145424 is a wasteful number, since it uses less digits than its factorization.

320545145424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954003427 (or 954003421 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 320545145424 in words is "three hundred twenty billion, five hundred forty-five million, one hundred forty-five thousand, four hundred twenty-four".