401000441144 has 32 divisors (see below), whose sum is σ = 802290018000. Its totient is φ = 187345550592.

The previous prime is 401000441141. The next prime is 401000441159. The reversal of 401000441144 is 441144000104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401000441141) 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, 18058499 + ... + 18080690.

Almost surely, 2^401000441144 is an apocalyptic number.

It is an amenable number.

401000441144 is an abundant number, since it is smaller than the sum of its proper divisors (401289576856).

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

401000441144 is a wasteful number, since it uses less digits than its factorization.

401000441144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139287 (or 36139283 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 401000441144 its reverse (441144000104), we get a palindrome (842144441248).

The spelling of 401000441144 in words is "four hundred one billion, four hundred forty-one thousand, one hundred forty-four".