4240243540 has 48 divisors (see below), whose sum is σ = 9724579200. Its totient is φ = 1543570560.

The previous prime is 4240243523. The next prime is 4240243583. The reversal of 4240243540 is 453420424.

It is a junction number, because it is equal to n+sod(n) for n = 4240243499 and 4240243508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96390 + ... + 133309.

It is an arithmetic number, because the mean of its divisors is an integer number (202595400).

Almost surely, 2^4240243540 is an apocalyptic number.

It is an amenable number.

4240243540 is an abundant number, since it is smaller than the sum of its proper divisors (5484335660).

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

4240243540 is a wasteful number, since it uses less digits than its factorization.

4240243540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229792 (or 229790 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 4240243540 is about 65117.1524254555. The cubic root of 4240243540 is about 1618.5654551474.

Adding to 4240243540 its reverse (453420424), we get a palindrome (4693663964).

The spelling of 4240243540 in words is "four billion, two hundred forty million, two hundred forty-three thousand, five hundred forty".