440412303331 has 16 divisors (see below), whose sum is σ = 591322814208. Its totient is φ = 316780077600.

The previous prime is 440412303293. The next prime is 440412303337. The reversal of 440412303331 is 133303214044.

It is a de Polignac number, because none of the positive numbers 2^k-440412303331 is a prime.

It is a super-2 number, since 2×440412303331² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440412303331.

It is not an unprimeable number, because it can be changed into a prime (440412303337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219985165 + ... + 219987166.

It is an arithmetic number, because the mean of its divisors is an integer number (36957675888).

Almost surely, 2^440412303331 is an apocalyptic number.

440412303331 is a deficient number, since it is larger than the sum of its proper divisors (150910510877).

440412303331 is a wasteful number, since it uses less digits than its factorization.

440412303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439972362.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 440412303331 its reverse (133303214044), we get a palindrome (573715517375).

The spelling of 440412303331 in words is "four hundred forty billion, four hundred twelve million, three hundred three thousand, three hundred thirty-one".