6480880 has 80 divisors (see below), whose sum is σ = 17570304. Its totient is φ = 2177280.

The previous prime is 6480869. The next prime is 6480907. The reversal of 6480880 is 880846.

6480880 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39679 + ... + 39841.

Almost surely, 2^6480880 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 6480880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8785152).

6480880 is an abundant number, since it is smaller than the sum of its proper divisors (11089424).

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

6480880 is a wasteful number, since it uses less digits than its factorization.

6480880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 6480880 is about 2545.7572547280. The cubic root of 6480880 is about 186.4423893722.

Subtracting from 6480880 its sum of digits (34), we obtain a palindrome (6480846).

The spelling of 6480880 in words is "six million, four hundred eighty thousand, eight hundred eighty".