440463959 has 8 divisors (see below), whose sum is σ = 474516672. Its totient is φ = 406435680.

The previous prime is 440463949. The next prime is 440463967. The reversal of 440463959 is 959364044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440463959 - 2⁸ = 440463703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440463949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51557 + ... + 59489.

It is an arithmetic number, because the mean of its divisors is an integer number (59314584).

Almost surely, 2^440463959 is an apocalyptic number.

440463959 is a deficient number, since it is larger than the sum of its proper divisors (34052713).

440463959 is a wasteful number, since it uses less digits than its factorization.

440463959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12217.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 440463959 is about 20987.2332383285. The cubic root of 440463959 is about 760.8577337008.

The spelling of 440463959 in words is "four hundred forty million, four hundred sixty-three thousand, nine hundred fifty-nine".