440404400422 has 32 divisors (see below), whose sum is σ = 798341289984. Its totient is φ = 178201166400.

The previous prime is 440404400399. The next prime is 440404400431. The reversal of 440404400422 is 224004404044.

It is a super-2 number, since 2×440404400422² (a number of 24 digits) contains 22 as substring.

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, 12357288 + ... + 12392875.

It is an arithmetic number, because the mean of its divisors is an integer number (24948165312).

Almost surely, 2^440404400422 is an apocalyptic number.

440404400422 is a deficient number, since it is larger than the sum of its proper divisors (357936889562).

440404400422 is a wasteful number, since it uses less digits than its factorization.

440404400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24750244.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440404400422 its reverse (224004404044), we get a palindrome (664408804466).

The spelling of 440404400422 in words is "four hundred forty billion, four hundred four million, four hundred thousand, four hundred twenty-two".