6442772446 has 16 divisors (see below), whose sum is σ = 10544648688. Its totient is φ = 2927996800.

The previous prime is 6442772411. The next prime is 6442772477.

6442772446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6442772396 and 6442772405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112086 + ... + 159526.

It is an arithmetic number, because the mean of its divisors is an integer number (659040543).

Almost surely, 2^6442772446 is an apocalyptic number.

6442772446 is a deficient number, since it is larger than the sum of its proper divisors (4101876242).

6442772446 is a wasteful number, since it uses less digits than its factorization.

6442772446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53627.

The product of its digits is 1806336, while the sum is 46.

The square root of 6442772446 is about 80266.8826229099. The cubic root of 6442772446 is about 1860.7624389938.

The spelling of 6442772446 in words is "six billion, four hundred forty-two million, seven hundred seventy-two thousand, four hundred forty-six".