4444635544 has 16 divisors (see below), whose sum is σ = 8490931920. Its totient is φ = 2180387040.

The previous prime is 4444635539. The next prime is 4444635551. The reversal of 4444635544 is 4455364444.

It is a self number, because there is not a number n which added to its sum of digits gives 4444635544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5240892 + ... + 5241739.

It is an arithmetic number, because the mean of its divisors is an integer number (530683245).

Almost surely, 2^4444635544 is an apocalyptic number.

It is an amenable number.

4444635544 is a deficient number, since it is larger than the sum of its proper divisors (4046296376).

4444635544 is a wasteful number, since it uses less digits than its factorization.

4444635544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10482690 (or 10482686 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 43.

The square root of 4444635544 is about 66668.0998979272. The cubic root of 4444635544 is about 1644.1649471508.

Adding to 4444635544 its reverse (4455364444), we get a palindrome (8899999988).

The spelling of 4444635544 in words is "four billion, four hundred forty-four million, six hundred thirty-five thousand, five hundred forty-four".