320312448 has 64 divisors (see below), whose sum is σ = 945376800. Its totient is φ = 106769664.

The previous prime is 320312437. The next prime is 320312449. The reversal of 320312448 is 844213023.

320312448 is a `hidden beast` number, since 3 + 203 + 12 + 448 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×320312448³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (320312449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42886 + ... + 49797.

Almost surely, 2^320312448 is an apocalyptic number.

It is an amenable number.

320312448 is an abundant number, since it is smaller than the sum of its proper divisors (625064352).

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

320312448 is an equidigital number, since it uses as much as digits as its factorization.

320312448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92706 (or 92688 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 320312448 is about 17897.2748763604. The cubic root of 320312448 is about 684.2129223244.

It can be divided in two parts, 3203 and 12448, that added together give a palindrome (15651).

The spelling of 320312448 in words is "three hundred twenty million, three hundred twelve thousand, four hundred forty-eight".