440013324412 has 12 divisors (see below), whose sum is σ = 772803187240. Its totient is φ = 219212413776.

The previous prime is 440013324371. The next prime is 440013324539. The reversal of 440013324412 is 214423310044.

It is a super-2 number, since 2×440013324412² (a number of 24 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198560862 + ... + 198563077.

Almost surely, 2^440013324412 is an apocalyptic number.

It is an amenable number.

440013324412 is a deficient number, since it is larger than the sum of its proper divisors (332789862828).

440013324412 is a wasteful number, since it uses less digits than its factorization.

440013324412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397124220 (or 397124218 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 440013324412 its reverse (214423310044), we get a palindrome (654436634456).

The spelling of 440013324412 in words is "four hundred forty billion, thirteen million, three hundred twenty-four thousand, four hundred twelve".