440131211422 has 16 divisors (see below), whose sum is σ = 754519715712. Its totient is φ = 188625395160.

The previous prime is 440131211413. The next prime is 440131211423. The reversal of 440131211422 is 224112131044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440131211423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605193 + ... + 1859275.

It is an arithmetic number, because the mean of its divisors is an integer number (47157482232).

Almost surely, 2^440131211422 is an apocalyptic number.

440131211422 is a deficient number, since it is larger than the sum of its proper divisors (314388504290).

440131211422 is a wasteful number, since it uses less digits than its factorization.

440131211422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377823.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 440131211422 its reverse (224112131044), we get a palindrome (664243342466).

The spelling of 440131211422 in words is "four hundred forty billion, one hundred thirty-one million, two hundred eleven thousand, four hundred twenty-two".