441644749556 has 6 divisors (see below), whose sum is σ = 772878311730. Its totient is φ = 220822374776.

The previous prime is 441644749549. The next prime is 441644749577. The reversal of 441644749556 is 655947446144.

It can be written as a sum of positive squares in only one way, i.e., 355287523600 + 86357225956 = 596060^2 + 293866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 441644749495 and 441644749504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55205593691 + ... + 55205593698.

It is an arithmetic number, because the mean of its divisors is an integer number (128813051955).

Almost surely, 2^441644749556 is an apocalyptic number.

It is an amenable number.

441644749556 is a deficient number, since it is larger than the sum of its proper divisors (331233562174).

441644749556 is a wasteful number, since it uses less digits than its factorization.

441644749556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110411187393 (or 110411187391 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 59.

The spelling of 441644749556 in words is "four hundred forty-one billion, six hundred forty-four million, seven hundred forty-nine thousand, five hundred fifty-six".