6480320 has 112 divisors (see below), whose sum is σ = 19312128. Its totient is φ = 2012160.

The previous prime is 6480301. The next prime is 6480329. The reversal of 6480320 is 230846.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24509 + ... + 24771.

Almost surely, 2^6480320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6480320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9656064).

6480320 is an abundant number, since it is smaller than the sum of its proper divisors (12831808).

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

6480320 is a wasteful number, since it uses less digits than its factorization.

6480320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6480320 is about 2545.6472654317. The cubic root of 6480320 is about 186.4370191783.

It can be divided in two parts, 6480 and 320, that multiplied together give a square (2073600 = 1440²).

The spelling of 6480320 in words is "six million, four hundred eighty thousand, three hundred twenty".