4240243440 has 120 divisors (see below), whose sum is σ = 14331234528. Its totient is φ = 1123499520.

The previous prime is 4240243421. The next prime is 4240243451. The reversal of 4240243440 is 443420424.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94285 + ... + 131795.

Almost surely, 2^4240243440 is an apocalyptic number.

4240243440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4240243440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7165617264).

4240243440 is an abundant number, since it is smaller than the sum of its proper divisors (10090991088).

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

4240243440 is a wasteful number, since it uses less digits than its factorization.

4240243440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37687 (or 37678 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4240243440 is about 65117.1516576086. The cubic root of 4240243440 is about 1618.5654424235.

Adding to 4240243440 its reverse (443420424), we get a palindrome (4683663864).

The spelling of 4240243440 in words is "four billion, two hundred forty million, two hundred forty-three thousand, four hundred forty".