441804819856 has 45 divisors (see below), whose sum is σ = 864628321921. Its totient is φ = 218696988416.

The previous prime is 441804819851. The next prime is 441804819917. The reversal of 441804819856 is 658918408144.

The square root of 441804819856 is 664684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 44884659600 + 396920160256 = 211860^2 + 630016^2 .

It is a super-2 number, since 2×441804819856² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441804819856.

It is not an unprimeable number, because it can be changed into a prime (441804819851) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 284483976 + ... + 284485528.

Almost surely, 2^441804819856 is an apocalyptic number.

441804819856 is the 664684-th square number.

It is an amenable number.

441804819856 is a deficient number, since it is larger than the sum of its proper divisors (422823502065).

441804819856 is an frugal number, since it uses more digits than its factorization.

441804819856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 441804819856 in words is "four hundred forty-one billion, eight hundred four million, eight hundred nineteen thousand, eight hundred fifty-six".