5243520242000 has 160 divisors (see below), whose sum is σ = 12917734131744. Its totient is φ = 2058255360000.

The previous prime is 5243520241997. The next prime is 5243520242027. The reversal of 5243520242000 is 2420253425.

It can be written as a sum of positive squares in 16 ways, for example, as 2631883246864 + 2611636995136 = 1622308^2 + 1616056^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22711142 + ... + 22940858.

Almost surely, 2^{5243520242000} is an apocalyptic number.

5243520242000 is a gapful number since it is divisible by the number (50) 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 5243520242000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6458867065872).

5243520242000 is an abundant number, since it is smaller than the sum of its proper divisors (7674213889744).

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

5243520242000 is a wasteful number, since it uses less digits than its factorization.

5243520242000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229954 (or 229938 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 5243520242000 its reverse (2420253425), we get a palindrome (5245940495425).

The spelling of 5243520242000 in words is "five trillion, two hundred forty-three billion, five hundred twenty million, two hundred forty-two thousand".