440303300031 has 16 divisors (see below), whose sum is σ = 670985663744. Its totient is φ = 251584147584.

The previous prime is 440303299981. The next prime is 440303300033. The reversal of 440303300031 is 130003303044.

It is not a de Polignac number, because 440303300031 - 2³⁸ = 165425393087 is a prime.

It is a super-2 number, since 2×440303300031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440303299980 and 440303300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440303300033) 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, 431146 + ... + 1032711.

It is an arithmetic number, because the mean of its divisors is an integer number (41936603984).

Almost surely, 2^440303300031 is an apocalyptic number.

440303300031 is a deficient number, since it is larger than the sum of its proper divisors (230682363713).

440303300031 is a wasteful number, since it uses less digits than its factorization.

440303300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478190.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 440303300031 its reverse (130003303044), we get a palindrome (570306603075).

The spelling of 440303300031 in words is "four hundred forty billion, three hundred three million, three hundred thousand, thirty-one".