6509478080 has 112 divisors (see below), whose sum is σ = 18194097216. Its totient is φ = 2171473920.

The previous prime is 6509478061. The next prime is 6509478089. The reversal of 6509478080 is 808749056.

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

It is not an unprimeable number, because it can be changed into a prime (6509478089) 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, 43610 + ... + 122150.

Almost surely, 2^6509478080 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 6509478080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9097048608).

6509478080 is an abundant number, since it is smaller than the sum of its proper divisors (11684619136).

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

6509478080 is a wasteful number, since it uses less digits than its factorization.

6509478080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78602 (or 78592 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 6509478080 is about 80681.3366275002. The cubic root of 6509478080 is about 1867.1622414358.

The spelling of 6509478080 in words is "six billion, five hundred nine million, four hundred seventy-eight thousand, eighty".