6540334080 has 352 divisors, whose sum is σ = 24336046080. Its totient is φ = 1468170240.

The previous prime is 6540334039. The next prime is 6540334111. The reversal of 6540334080 is 804330456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6343165 + ... + 6344195.

Almost surely, 2^6540334080 is an apocalyptic number.

6540334080 is a gapful number since it is divisible by the number (60) 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 6540334080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12168023040).

6540334080 is an abundant number, since it is smaller than the sum of its proper divisors (17795712000).

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

6540334080 is a wasteful number, since it uses less digits than its factorization.

6540334080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6540334080 is about 80872.3319807213. The cubic root of 6540334080 is about 1870.1078111844.

The spelling of 6540334080 in words is "six billion, five hundred forty million, three hundred thirty-four thousand, eighty".