4244243140 has 24 divisors (see below), whose sum is σ = 8930039832. Its totient is φ = 1694434560.

The previous prime is 4244243089. The next prime is 4244243167. The reversal of 4244243140 is 413424424.

4244243140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 97140736 + 4147102404 = 9856^2 + 64398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4244243099 and 4244243108.

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, 193239 + ... + 214078.

It is an arithmetic number, because the mean of its divisors is an integer number (372084993).

Almost surely, 2^4244243140 is an apocalyptic number.

It is an amenable number.

4244243140 is an abundant number, since it is smaller than the sum of its proper divisors (4685796692).

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

4244243140 is a wasteful number, since it uses less digits than its factorization.

4244243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407847 (or 407845 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4244243140 is about 65147.8559892803. The cubic root of 4244243140 is about 1619.0741979426.

Adding to 4244243140 its reverse (413424424), we get a palindrome (4657667564).

The spelling of 4244243140 in words is "four billion, two hundred forty-four million, two hundred forty-three thousand, one hundred forty".