6480857832 has 128 divisors (see below), whose sum is σ = 16989350400. Its totient is φ = 2058400512.

The previous prime is 6480857819. The next prime is 6480857833. The reversal of 6480857832 is 2387580846.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6480857833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9924418 + ... + 9925070.

It is an arithmetic number, because the mean of its divisors is an integer number (132729300).

Almost surely, 2^6480857832 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 6480857832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8494675200).

6480857832 is an abundant number, since it is smaller than the sum of its proper divisors (10508492568).

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

6480857832 is a wasteful number, since it uses less digits than its factorization.

6480857832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 6480857832 is about 80503.7752655116. The cubic root of 6480857832 is about 1864.4217679508.

The spelling of 6480857832 in words is "six billion, four hundred eighty million, eight hundred fifty-seven thousand, eight hundred thirty-two".