320546464 has 48 divisors (see below), whose sum is σ = 722736000. Its totient is φ = 137090304.

The previous prime is 320546461. The next prime is 320546477. The reversal of 320546464 is 464645023.

It is not an unprimeable number, because it can be changed into a prime (320546461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132982 + ... + 135370.

It is an arithmetic number, because the mean of its divisors is an integer number (15057000).

Almost surely, 2^320546464 is an apocalyptic number.

It is an amenable number.

320546464 is an abundant number, since it is smaller than the sum of its proper divisors (402189536).

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

320546464 is a wasteful number, since it uses less digits than its factorization.

320546464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 320546464 is about 17903.8114377917. The cubic root of 320546464 is about 684.3795073729.

The spelling of 320546464 in words is "three hundred twenty million, five hundred forty-six thousand, four hundred sixty-four".