6444875076 has 24 divisors (see below), whose sum is σ = 15523140864. Its totient is φ = 2078991840.

The previous prime is 6444875071. The next prime is 6444875077. The reversal of 6444875076 is 6705784446.

It is not an unprimeable number, because it can be changed into a prime (6444875071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8662095 + ... + 8662838.

It is an arithmetic number, because the mean of its divisors is an integer number (646797536).

Almost surely, 2^6444875076 is an apocalyptic number.

It is an amenable number.

6444875076 is an abundant number, since it is smaller than the sum of its proper divisors (9078265788).

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

6444875076 is a wasteful number, since it uses less digits than its factorization.

6444875076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17324971 (or 17324969 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 51.

The square root of 6444875076 is about 80279.9792974562. The cubic root of 6444875076 is about 1860.9648399227.

The spelling of 6444875076 in words is "six billion, four hundred forty-four million, eight hundred seventy-five thousand, seventy-six".