440631230160320 has 56 divisors (see below), whose sum is σ = 1049254918684848. Its totient is φ = 176252189388800.

The previous prime is 440631230160257. The next prime is 440631230160349. The reversal of 440631230160320 is 23061032136044.

It is a super-2 number, since 2×440631230160320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 331394435 + ... + 332721405.

Almost surely, 2^{440631230160320} is an apocalyptic number.

440631230160320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440631230160320 is an abundant number, since it is smaller than the sum of its proper divisors (608623688524528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440631230160320 is a wasteful number, since it uses less digits than its factorization.

440631230160320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364669 (or 2364659 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 440631230160320 its reverse (23061032136044), we get a palindrome (463692262296364).

The spelling of 440631230160320 in words is "four hundred forty trillion, six hundred thirty-one billion, two hundred thirty million, one hundred sixty thousand, three hundred twenty".