411221144 has 16 divisors (see below), whose sum is σ = 789846120. Its totient is φ = 200595520.

The previous prime is 411221141. The next prime is 411221159. The reversal of 411221144 is 441122114.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411221141) 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, 626534 + ... + 627189.

Almost surely, 2^411221144 is an apocalyptic number.

It is an amenable number.

411221144 is a deficient number, since it is larger than the sum of its proper divisors (378624976).

411221144 is a wasteful number, since it uses less digits than its factorization.

411221144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253770 (or 1253766 counting only the distinct ones).

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

The square root of 411221144 is about 20278.5883137856. The cubic root of 411221144 is about 743.6327001509.

Adding to 411221144 its reverse (441122114), we get a palindrome (852343258).

The spelling of 411221144 in words is "four hundred eleven million, two hundred twenty-one thousand, one hundred forty-four".