401144044 has 12 divisors (see below), whose sum is σ = 802288144. Its totient is φ = 171918864.

The previous prime is 401144027. The next prime is 401144057. The reversal of 401144044 is 440441104.

It is a happy number.

401144044 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7163259 + ... + 7163314.

Almost surely, 2^401144044 is an apocalyptic number.

It is an amenable number.

401144044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401144044 is a wasteful number, since it uses less digits than its factorization.

401144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326584 (or 14326582 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 401144044 is about 20028.5806786202. The cubic root of 401144044 is about 737.5080801183.

Adding to 401144044 its reverse (440441104), we get a palindrome (841585148).

The spelling of 401144044 in words is "four hundred one million, one hundred forty-four thousand, forty-four".