4440626444 has 6 divisors (see below), whose sum is σ = 7771096284. Its totient is φ = 2220313220.

The previous prime is 4440626413. The next prime is 4440626461. The reversal of 4440626444 is 4446260444.

It is a junction number, because it is equal to n+sod(n) for n = 4440626398 and 4440626407.

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 as a sum of consecutive naturals, namely, 555078302 + ... + 555078309.

It is an arithmetic number, because the mean of its divisors is an integer number (1295182714).

Almost surely, 2^4440626444 is an apocalyptic number.

It is an amenable number.

4440626444 is a deficient number, since it is larger than the sum of its proper divisors (3330469840).

4440626444 is a wasteful number, since it uses less digits than its factorization.

4440626444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110156615 (or 1110156613 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

The square root of 4440626444 is about 66638.0255109648. The cubic root of 4440626444 is about 1643.6704480692.

Adding to 4440626444 its reverse (4446260444), we get a palindrome (8886886888).

The spelling of 4440626444 in words is "four billion, four hundred forty million, six hundred twenty-six thousand, four hundred forty-four".