4244543541 has 48 divisors (see below), whose sum is σ = 7314456448. Its totient is φ = 2321136000.

The previous prime is 4244543507. The next prime is 4244543623. The reversal of 4244543541 is 1453454424.

It is not a de Polignac number, because 4244543541 - 2¹¹ = 4244541493 is a prime.

It is a super-2 number, since 2×4244543541² = 36032299742889637362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4244543496 and 4244543505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244543341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127266 + ... + 157116.

Almost surely, 2^4244543541 is an apocalyptic number.

It is an amenable number.

4244543541 is a deficient number, since it is larger than the sum of its proper divisors (3069912907).

4244543541 is a wasteful number, since it uses less digits than its factorization.

4244543541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962 (or 29959 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 4244543541 is about 65150.1614809971. The cubic root of 4244543541 is about 1619.1123955684.

Adding to 4244543541 its reverse (1453454424), we get a palindrome (5697997965).

The spelling of 4244543541 in words is "four billion, two hundred forty-four million, five hundred forty-three thousand, five hundred forty-one".