440412213422 has 24 divisors (see below), whose sum is σ = 675138305880. Its totient is φ = 215468119760.

The previous prime is 440412213377. The next prime is 440412213491. The reversal of 440412213422 is 224312214044.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22915397 + ... + 22934607.

It is an arithmetic number, because the mean of its divisors is an integer number (28130762745).

Almost surely, 2^440412213422 is an apocalyptic number.

440412213422 is a deficient number, since it is larger than the sum of its proper divisors (234726092458).

440412213422 is a wasteful number, since it uses less digits than its factorization.

440412213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24496 (or 24449 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440412213422 its reverse (224312214044), we get a palindrome (664724427466).

The spelling of 440412213422 in words is "four hundred forty billion, four hundred twelve million, two hundred thirteen thousand, four hundred twenty-two".