4420143441 has 18 divisors (see below), whose sum is σ = 7427044482. Its totient is φ = 2525796000.

The previous prime is 4420143421. The next prime is 4420143461. The reversal of 4420143441 is 1443410244.

It is an interprime number because it is at equal distance from previous prime (4420143421) and next prime (4420143461).

It can be written as a sum of positive squares in only one way, i.e., 4417596225 + 2547216 = 66465^2 + 1596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4420143441 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4420143421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5011060 + ... + 5011941.

Almost surely, 2^4420143441 is an apocalyptic number.

It is an amenable number.

4420143441 is a deficient number, since it is larger than the sum of its proper divisors (3006901041).

4420143441 is a wasteful number, since it uses less digits than its factorization.

4420143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023021 (or 10023011 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4420143441 is about 66484.1593238570. The cubic root of 4420143441 is about 1641.1393333538.

Adding to 4420143441 its reverse (1443410244), we get a palindrome (5863553685).

The spelling of 4420143441 in words is "four billion, four hundred twenty million, one hundred forty-three thousand, four hundred forty-one".