440564168 has 16 divisors (see below), whose sum is σ = 901154160. Its totient is φ = 200256400.

The previous prime is 440564167. The next prime is 440564177. The reversal of 440564168 is 861465044.

It is a super-2 number, since 2×440564168² = 388193572251064448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440564167) 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, 2503118 + ... + 2503293.

It is an arithmetic number, because the mean of its divisors is an integer number (56322135).

Almost surely, 2^440564168 is an apocalyptic number.

It is an amenable number.

440564168 is an abundant number, since it is smaller than the sum of its proper divisors (460589992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440564168 is a wasteful number, since it uses less digits than its factorization.

440564168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006428 (or 5006424 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 440564168 is about 20989.6204825147. The cubic root of 440564168 is about 760.9154296899.

The spelling of 440564168 in words is "four hundred forty million, five hundred sixty-four thousand, one hundred sixty-eight".