440244030433 has 16 divisors (see below), whose sum is σ = 462306910464. Its totient is φ = 418800231360.

The previous prime is 440244030397. The next prime is 440244030449. The reversal of 440244030433 is 334030442044.

It is a cyclic number.

It is not a de Polignac number, because 440244030433 - 2²⁵ = 440210476001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440244030395 and 440244030404.

It is not an unprimeable number, because it can be changed into a prime (440244030133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207085 + ... + 960922.

It is an arithmetic number, because the mean of its divisors is an integer number (28894181904).

Almost surely, 2^440244030433 is an apocalyptic number.

It is an amenable number.

440244030433 is a deficient number, since it is larger than the sum of its proper divisors (22062880031).

440244030433 is a wasteful number, since it uses less digits than its factorization.

440244030433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168272.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 440244030433 its reverse (334030442044), we get a palindrome (774274472477).

The spelling of 440244030433 in words is "four hundred forty billion, two hundred forty-four million, thirty thousand, four hundred thirty-three".