440202422431 has 16 divisors (see below), whose sum is σ = 493170271200. Its totient is φ = 390468722688.

The previous prime is 440202422377. The next prime is 440202422461. The reversal of 440202422431 is 134224202044.

It is a cyclic number.

It is not a de Polignac number, because 440202422431 - 2¹⁷ = 440202291359 is a prime.

It is a super-2 number, since 2×440202422431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440202422431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440202422461) 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, 3468376 + ... + 3593053.

It is an arithmetic number, because the mean of its divisors is an integer number (30823141950).

Almost surely, 2^440202422431 is an apocalyptic number.

440202422431 is a deficient number, since it is larger than the sum of its proper divisors (52967848769).

440202422431 is a wasteful number, since it uses less digits than its factorization.

440202422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061658.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440202422431 its reverse (134224202044), we get a palindrome (574426624475).

The spelling of 440202422431 in words is "four hundred forty billion, two hundred two million, four hundred twenty-two thousand, four hundred thirty-one".