440113617 has 12 divisors (see below), whose sum is σ = 635960884. Its totient is φ = 293297760.

The previous prime is 440113601. The next prime is 440113621. The reversal of 440113617 is 716311044.

It is a happy number.

440113617 is a `hidden beast` number, since 4 + 40 + 1 + 1 + 3 + 617 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17564481 + 422549136 = 4191^2 + 20556^2 .

It is not a de Polignac number, because 440113617 - 2⁴ = 440113601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440113117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20943 + ... + 36315.

Almost surely, 2^440113617 is an apocalyptic number.

It is an amenable number.

440113617 is a deficient number, since it is larger than the sum of its proper divisors (195847267).

440113617 is a wasteful number, since it uses less digits than its factorization.

440113617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18560 (or 18557 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 440113617 is about 20978.8850275700. The cubic root of 440113617 is about 760.6559531923.

The spelling of 440113617 in words is "four hundred forty million, one hundred thirteen thousand, six hundred seventeen".