440456164 has 12 divisors (see below), whose sum is σ = 804311424. Its totient is φ = 210652904.

The previous prime is 440456161. The next prime is 440456167. The reversal of 440456164 is 461654044.

It is an interprime number because it is at equal distance from previous prime (440456161) and next prime (440456167).

It is not an unprimeable number, because it can be changed into a prime (440456161) 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, 2393692 + ... + 2393875.

It is an arithmetic number, because the mean of its divisors is an integer number (67025952).

Almost surely, 2^440456164 is an apocalyptic number.

It is an amenable number.

440456164 is a deficient number, since it is larger than the sum of its proper divisors (363855260).

440456164 is a wasteful number, since it uses less digits than its factorization.

440456164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787594 (or 4787592 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 440456164 is about 20987.0475293692. The cubic root of 440456164 is about 760.8532453116.

The spelling of 440456164 in words is "four hundred forty million, four hundred fifty-six thousand, one hundred sixty-four".