4143043540 has 24 divisors (see below), whose sum is σ = 8703855720. Its totient is φ = 1656557568.

The previous prime is 4143043517. The next prime is 4143043603. The reversal of 4143043540 is 453403414.

It can be written as a sum of positive squares in 4 ways, for example, as 111809476 + 4031234064 = 10574^2 + 63492^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4143043499 and 4143043508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11916 + ... + 91804.

It is an arithmetic number, because the mean of its divisors is an integer number (362660655).

Almost surely, 2^4143043540 is an apocalyptic number.

It is an amenable number.

4143043540 is an abundant number, since it is smaller than the sum of its proper divisors (4560812180).

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

4143043540 is a wasteful number, since it uses less digits than its factorization.

4143043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82491 (or 82489 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4143043540 is about 64366.4783874339. The cubic root of 4143043540 is about 1606.1021586388.

Adding to 4143043540 its reverse (453403414), we get a palindrome (4596446954).

The spelling of 4143043540 in words is "four billion, one hundred forty-three million, forty-three thousand, five hundred forty".