440343421031 has 8 divisors (see below), whose sum is σ = 440864138880. Its totient is φ = 439822822648.

The previous prime is 440343421003. The next prime is 440343421033. The reversal of 440343421031 is 130124343044.

It is a happy number.

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 440343421031 - 2¹⁴ = 440343404647 is a prime.

It is a super-2 number, since 2×440343421031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440343420985 and 440343421003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440343421033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8895110 + ... + 8944476.

It is an arithmetic number, because the mean of its divisors is an integer number (55108017360).

Almost surely, 2^440343421031 is an apocalyptic number.

440343421031 is a deficient number, since it is larger than the sum of its proper divisors (520717849).

440343421031 is an equidigital number, since it uses as much as digits as its factorization.

440343421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59733.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 440343421031 its reverse (130124343044), we get a palindrome (570467764075).

The spelling of 440343421031 in words is "four hundred forty billion, three hundred forty-three million, four hundred twenty-one thousand, thirty-one".