6459706080 has 72 divisors (see below), whose sum is σ = 22043751912. Its totient is φ = 1722587904.

The previous prime is 6459706069. The next prime is 6459706109. The reversal of 6459706080 is 806079546.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2241514 + ... + 2244393.

It is an arithmetic number, because the mean of its divisors is an integer number (306163221).

Almost surely, 2^6459706080 is an apocalyptic number.

6459706080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6459706080 is an abundant number, since it is smaller than the sum of its proper divisors (15584045832).

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

6459706080 is a wasteful number, since it uses less digits than its factorization.

6459706080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485928 (or 4485917 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 6459706080 is about 80372.2967197031. The cubic root of 6459706080 is about 1862.3912359651.

The spelling of 6459706080 in words is "six billion, four hundred fifty-nine million, seven hundred six thousand, eighty".