320604480 has 672 divisors, whose sum is σ = 1420124160. Its totient is φ = 67184640.

The previous prime is 320604457. The next prime is 320604491. The reversal of 320604480 is 84406023.

It is a tau number, because it is divible by the number of its divisors (672).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10342065 + ... + 10342095.

It is an arithmetic number, because the mean of its divisors is an integer number (2113280).

Almost surely, 2^320604480 is an apocalyptic number.

320604480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320604480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710062080).

320604480 is an abundant number, since it is smaller than the sum of its proper divisors (1099519680).

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

320604480 is a wasteful number, since it uses less digits than its factorization.

320604480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 67 counting only the distinct ones).

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

The square root of 320604480 is about 17905.4315781553. The cubic root of 320604480 is about 684.4207937081.

The spelling of 320604480 in words is "three hundred twenty million, six hundred four thousand, four hundred eighty".