401422043441 has 8 divisors (see below), whose sum is σ = 415327981800. Its totient is φ = 387520358400.

The previous prime is 401422043413. The next prime is 401422043453. The reversal of 401422043441 is 144340224104.

It can be written as a sum of positive squares in 4 ways, for example, as 954562816 + 400467480625 = 30896^2 + 632825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401422043441 - 2²² = 401417849137 is a prime.

It is a super-2 number, since 2×401422043441² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401422043401) 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, 870710 + ... + 1249391.

It is an arithmetic number, because the mean of its divisors is an integer number (51915997725).

Almost surely, 2^401422043441 is an apocalyptic number.

It is an amenable number.

401422043441 is a deficient number, since it is larger than the sum of its proper divisors (13905938359).

401422043441 is a wasteful number, since it uses less digits than its factorization.

401422043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126659.

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

Adding to 401422043441 its reverse (144340224104), we get a palindrome (545762267545).

The spelling of 401422043441 in words is "four hundred one billion, four hundred twenty-two million, forty-three thousand, four hundred forty-one".