4421644461244 has 48 divisors (see below), whose sum is σ = 7854191144800. Its totient is φ = 2177832096000.

The previous prime is 4421644461233. The next prime is 4421644461251.

4421644461244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4421644461194 and 4421644461203.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 446580694 + ... + 446590594.

Almost surely, 2^{4421644461244} is an apocalyptic number.

It is an amenable number.

4421644461244 is a deficient number, since it is larger than the sum of its proper divisors (3432546683556).

4421644461244 is a wasteful number, since it uses less digits than its factorization.

4421644461244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15854 (or 15852 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 46.

The spelling of 4421644461244 in words is "four trillion, four hundred twenty-one billion, six hundred forty-four million, four hundred sixty-one thousand, two hundred forty-four".