440117864 has 16 divisors (see below), whose sum is σ = 825495300. Its totient is φ = 219985792.

The previous prime is 440117863. The next prime is 440117941. The reversal of 440117864 is 468711044.

It can be written as a sum of positive squares in 2 ways, for example, as 326524900 + 113592964 = 18070^2 + 10658^2 .

It is not an unprimeable number, because it can be changed into a prime (440117863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23132 + ... + 37620.

Almost surely, 2^440117864 is an apocalyptic number.

It is an amenable number.

440117864 is a deficient number, since it is larger than the sum of its proper divisors (385377436).

440117864 is a wasteful number, since it uses less digits than its factorization.

440117864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18292 (or 18288 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 440117864 is about 20978.9862481484. The cubic root of 440117864 is about 760.6583999056.

The spelling of 440117864 in words is "four hundred forty million, one hundred seventeen thousand, eight hundred sixty-four".