401141144 has 16 divisors (see below), whose sum is σ = 761661600. Its totient is φ = 198031392.

The previous prime is 401141141. The next prime is 401141179. The reversal of 401141144 is 441141104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401141141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316727 + ... + 317990.

It is an arithmetic number, because the mean of its divisors is an integer number (47603850).

Almost surely, 2^401141144 is an apocalyptic number.

It is an amenable number.

401141144 is a deficient number, since it is larger than the sum of its proper divisors (360520456).

401141144 is a wasteful number, since it uses less digits than its factorization.

401141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634802 (or 634798 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 401141144 is about 20028.5082819465. The cubic root of 401141144 is about 737.5063028859.

Adding to 401141144 its reverse (441141104), we get a palindrome (842282248).

The spelling of 401141144 in words is "four hundred one million, one hundred forty-one thousand, one hundred forty-four".