441406646365 has 32 divisors (see below), whose sum is σ = 577847009376. Its totient is φ = 322372362240.

The previous prime is 441406646333. The next prime is 441406646381. The reversal of 441406646365 is 563646604144.

It can be written as a sum of positive squares in 16 ways, for example, as 99907830724 + 341498815641 = 316082^2 + 584379^2 .

It is not a de Polignac number, because 441406646365 - 2⁵ = 441406646333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236839 + ... + 968971.

It is an arithmetic number, because the mean of its divisors is an integer number (18057719043).

Almost surely, 2^441406646365 is an apocalyptic number.

It is an amenable number.

441406646365 is a deficient number, since it is larger than the sum of its proper divisors (136440363011).

441406646365 is a wasteful number, since it uses less digits than its factorization.

441406646365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732369.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 441406646365 in words is "four hundred forty-one billion, four hundred six million, six hundred forty-six thousand, three hundred sixty-five".