6444124406 has 32 divisors (see below), whose sum is σ = 10349857728. Its totient is φ = 3001743360.

The previous prime is 6444124391. The next prime is 6444124459. The reversal of 6444124406 is 6044214446.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1266740 + ... + 1271816.

It is an arithmetic number, because the mean of its divisors is an integer number (323433054).

Almost surely, 2^6444124406 is an apocalyptic number.

6444124406 is a deficient number, since it is larger than the sum of its proper divisors (3905733322).

6444124406 is a wasteful number, since it uses less digits than its factorization.

6444124406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816.

The product of its (nonzero) digits is 73728, while the sum is 35.

The square root of 6444124406 is about 80275.3038362360. The cubic root of 6444124406 is about 1860.8925848518.

The spelling of 6444124406 in words is "six billion, four hundred forty-four million, one hundred twenty-four thousand, four hundred six".