440466563 has 4 divisors (see below), whose sum is σ = 449838240. Its totient is φ = 431094888.

The previous prime is 440466557. The next prime is 440466589. The reversal of 440466563 is 365664044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440466563 - 2²⁸ = 172031107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440460563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4685768 + ... + 4685861.

It is an arithmetic number, because the mean of its divisors is an integer number (112459560).

Almost surely, 2^440466563 is an apocalyptic number.

440466563 is a deficient number, since it is larger than the sum of its proper divisors (9371677).

440466563 is an equidigital number, since it uses as much as digits as its factorization.

440466563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371676.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 440466563 is about 20987.2952759521. The cubic root of 440466563 is about 760.8592330816.

The spelling of 440466563 in words is "four hundred forty million, four hundred sixty-six thousand, five hundred sixty-three".