5235184640 has 264 divisors, whose sum is σ = 14879888640. Its totient is φ = 1730985984.

The previous prime is 5235184609. The next prime is 5235184651. The reversal of 5235184640 is 464815325.

It is a junction number, because it is equal to n+sod(n) for n = 5235184594 and 5235184603.

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, 66268121 + ... + 66268199.

Almost surely, 2^5235184640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5235184640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7439944320).

5235184640 is an abundant number, since it is smaller than the sum of its proper divisors (9644704000).

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

5235184640 is an equidigital number, since it uses as much as digits as its factorization.

5235184640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 5235184640 is about 72354.5758055425. The cubic root of 5235184640 is about 1736.3769064195.

Adding to 5235184640 its reverse (464815325), we get a palindrome (5699999965).

The spelling of 5235184640 in words is "five billion, two hundred thirty-five million, one hundred eighty-four thousand, six hundred forty".