441566895025 has 27 divisors (see below), whose sum is σ = 550562922091. Its totient is φ = 351315819440.

The previous prime is 441566895017. The next prime is 441566895047. The reversal of 441566895025 is 520598665144.

It is a happy number.

The square root of 441566895025 is 664505.

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., 158964082209 + 282602812816 = 398703^2 + 531604^2 .

It is not a de Polignac number, because 441566895025 - 2³ = 441566895017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1152915984 + ... + 1152916366.

Almost surely, 2^441566895025 is an apocalyptic number.

441566895025 is the 664505-th square number.

441566895025 is the 332253-rd centered octagonal number.

It is an amenable number.

441566895025 is a deficient number, since it is larger than the sum of its proper divisors (108996027066).

441566895025 is an frugal number, since it uses more digits than its factorization.

441566895025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 441566895025 in words is "four hundred forty-one billion, five hundred sixty-six million, eight hundred ninety-five thousand, twenty-five".