401444440121422 has 16 divisors (see below), whose sum is σ = 604845405268992. Its totient is φ = 199829381139000.

The previous prime is 401444440121419. The next prime is 401444440121437. The reversal of 401444440121422 is 224121044444104.

It is a super-2 number, since 2×401444440121422² (a number of 30 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 7 ways as a sum of consecutive naturals, for example, 8459118 + ... + 29571025.

It is an arithmetic number, because the mean of its divisors is an integer number (37802837829312).

Almost surely, 2^{401444440121422} is an apocalyptic number.

401444440121422 is a deficient number, since it is larger than the sum of its proper divisors (203400965147570).

401444440121422 is a wasteful number, since it uses less digits than its factorization.

401444440121422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38053623.

The product of its (nonzero) digits is 131072, while the sum is 37.

Adding to 401444440121422 its reverse (224121044444104), we get a palindrome (625565484565526).

The spelling of 401444440121422 in words is "four hundred one trillion, four hundred forty-four billion, four hundred forty million, one hundred twenty-one thousand, four hundred twenty-two".