4426644466 has 4 divisors (see below), whose sum is σ = 6639966702. Its totient is φ = 2213322232.

The previous prime is 4426644461. The next prime is 4426644527. The reversal of 4426644466 is 6644466244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2907905625 + 1518738841 = 53925^2 + 38971^2 .

It is not an unprimeable number, because it can be changed into a prime (4426644461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106661115 + ... + 1106661118.

Almost surely, 2^4426644466 is an apocalyptic number.

4426644466 is a deficient number, since it is larger than the sum of its proper divisors (2213322236).

4426644466 is a wasteful number, since it uses less digits than its factorization.

4426644466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213322235.

The product of its digits is 2654208, while the sum is 46.

The square root of 4426644466 is about 66533.0328934432. The cubic root of 4426644466 is about 1641.9435200389.

The spelling of 4426644466 in words is "four billion, four hundred twenty-six million, six hundred forty-four thousand, four hundred sixty-six".