440457799617 has 12 divisors (see below), whose sum is σ = 694054714704. Its totient is φ = 266944120920.

The previous prime is 440457799609. The next prime is 440457799633. The reversal of 440457799617 is 716997754044.

440457799617 is a `hidden beast` number, since 4 + 4 + 0 + 4 + 5 + 7 + 7 + 9 + 9 + 617 = 666.

It is not a de Polignac number, because 440457799617 - 2³ = 440457799609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440457799637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2224534243 + ... + 2224534440.

It is an arithmetic number, because the mean of its divisors is an integer number (57837892892).

Almost surely, 2^440457799617 is an apocalyptic number.

It is an amenable number.

440457799617 is a deficient number, since it is larger than the sum of its proper divisors (253596915087).

440457799617 is a wasteful number, since it uses less digits than its factorization.

440457799617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449068700 (or 4449068697 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 440457799617 in words is "four hundred forty billion, four hundred fifty-seven million, seven hundred ninety-nine thousand, six hundred seventeen".