448444440044 has 6 divisors (see below), whose sum is σ = 784777770084. Its totient is φ = 224222220020.

The previous prime is 448444440023. The next prime is 448444440071. The reversal of 448444440044 is 440044444844.

It is a happy number.

It is a super-2 number, since 2×448444440044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448444439977 and 448444440004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055555002 + ... + 56055555009.

It is an arithmetic number, because the mean of its divisors is an integer number (130796295014).

Almost surely, 2^448444440044 is an apocalyptic number.

It is an amenable number.

448444440044 is a deficient number, since it is larger than the sum of its proper divisors (336333330040).

448444440044 is a wasteful number, since it uses less digits than its factorization.

448444440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111110015 (or 112111110013 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

Adding to 448444440044 its reverse (440044444844), we get a palindrome (888488884888).

The spelling of 448444440044 in words is "four hundred forty-eight billion, four hundred forty-four million, four hundred forty thousand, forty-four".