440255440345 has 48 divisors (see below), whose sum is σ = 631530743040. Its totient is φ = 293562589824.

The previous prime is 440255440343. The next prime is 440255440357. The reversal of 440255440345 is 543044552044.

It is not a de Polignac number, because 440255440345 - 2¹ = 440255440343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440255440298 and 440255440307.

It is not an unprimeable number, because it can be changed into a prime (440255440343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17020212 + ... + 17046058.

It is an arithmetic number, because the mean of its divisors is an integer number (13156890480).

Almost surely, 2^440255440345 is an apocalyptic number.

It is an amenable number.

440255440345 is a deficient number, since it is larger than the sum of its proper divisors (191275302695).

440255440345 is a wasteful number, since it uses less digits than its factorization.

440255440345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27782 (or 27775 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 440255440345 its reverse (543044552044), we get a palindrome (983299992389).

The spelling of 440255440345 in words is "four hundred forty billion, two hundred fifty-five million, four hundred forty thousand, three hundred forty-five".