440113021422 has 32 divisors (see below), whose sum is σ = 899884760832. Its totient is φ = 143459853504.

The previous prime is 440113021393. The next prime is 440113021463. The reversal of 440113021422 is 224120311044.

It is a junction number, because it is equal to n+sod(n) for n = 440113021392 and 440113021401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3940578 + ... + 4050725.

It is an arithmetic number, because the mean of its divisors is an integer number (28121398776).

Almost surely, 2^440113021422 is an apocalyptic number.

440113021422 is an abundant number, since it is smaller than the sum of its proper divisors (459771739410).

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

440113021422 is a wasteful number, since it uses less digits than its factorization.

440113021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7991512.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 440113021422 its reverse (224120311044), we get a palindrome (664233332466).

The spelling of 440113021422 in words is "four hundred forty billion, one hundred thirteen million, twenty-one thousand, four hundred twenty-two".