401241144 has 16 divisors (see below), whose sum is σ = 1003102920. Its totient is φ = 133747040.

The previous prime is 401241143. The next prime is 401241163. The reversal of 401241144 is 441142104.

It is a self number, because there is not a number n which added to its sum of digits gives 401241144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401241143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359167 + ... + 8359214.

Almost surely, 2^401241144 is an apocalyptic number.

It is an amenable number.

401241144 is an abundant number, since it is smaller than the sum of its proper divisors (601861776).

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

401241144 is a wasteful number, since it uses less digits than its factorization.

401241144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718390 (or 16718386 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 401241144 is about 20031.0045679192. The cubic root of 401241144 is about 737.5675818180.

Adding to 401241144 its reverse (441142104), we get a palindrome (842383248).

The spelling of 401241144 in words is "four hundred one million, two hundred forty-one thousand, one hundred forty-four".