6506480 has 20 divisors (see below), whose sum is σ = 15127752. Its totient is φ = 2602560.

The previous prime is 6506473. The next prime is 6506483. The reversal of 6506480 is 846056.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40586 + ... + 40745.

Almost surely, 2^6506480 is an apocalyptic number.

It is an amenable number.

6506480 is an abundant number, since it is smaller than the sum of its proper divisors (8621272).

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

6506480 is a wasteful number, since it uses less digits than its factorization.

6506480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81344 (or 81338 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 6506480 is about 2550.7802727793. The cubic root of 6506480 is about 186.6875543520.

The spelling of 6506480 in words is "six million, five hundred six thousand, four hundred eighty".