2443530240 has 312 divisors, whose sum is σ = 8801458848. Its totient is φ = 650280960.

The previous prime is 2443530203. The next prime is 2443530301. The reversal of 2443530240 is 420353442.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 4976395 + ... + 4976885.

It is an arithmetic number, because the mean of its divisors is an integer number (28209804).

Almost surely, 2^2443530240 is an apocalyptic number.

2443530240 is a gapful number since it is divisible by the number (20) 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 2443530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4400729424).

2443530240 is an abundant number, since it is smaller than the sum of its proper divisors (6357928608).

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

2443530240 is an frugal number, since it uses more digits than its factorization.

2443530240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2443530240 is about 49432.0770350589. The cubic root of 2443530240 is about 1346.9120532260.

Adding to 2443530240 its reverse (420353442), we get a palindrome (2863883682).

The spelling of 2443530240 in words is "two billion, four hundred forty-three million, five hundred thirty thousand, two hundred forty".