440224402431 has 8 divisors (see below), whose sum is σ = 640326403584. Its totient is φ = 266802668120.

The previous prime is 440224402417. The next prime is 440224402447. The reversal of 440224402431 is 134204422044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440224402431 - 2¹⁷ = 440224271359 is a prime.

It is a super-2 number, since 2×440224402431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440224402531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6670066671 + ... + 6670066736.

It is an arithmetic number, because the mean of its divisors is an integer number (80040800448).

Almost surely, 2^440224402431 is an apocalyptic number.

440224402431 is a deficient number, since it is larger than the sum of its proper divisors (200102001153).

440224402431 is a wasteful number, since it uses less digits than its factorization.

440224402431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13340133421.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 440224402431 its reverse (134204422044), we get a palindrome (574428824475).

The spelling of 440224402431 in words is "four hundred forty billion, two hundred twenty-four million, four hundred two thousand, four hundred thirty-one".