5238535680 has 560 divisors, whose sum is σ = 21575610144. Its totient is φ = 1194393600.

The previous prime is 5238535667. The next prime is 5238535681. The reversal of 5238535680 is 865358325.

5238535680 is a `hidden beast` number, since 5 + 2 + 3 + 85 + 3 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238535681) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13063480 + ... + 13063880.

Almost surely, 2^5238535680 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 5238535680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10787805072).

5238535680 is an abundant number, since it is smaller than the sum of its proper divisors (16337074464).

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

5238535680 is an frugal number, since it uses more digits than its factorization.

5238535680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 5238535680 is about 72377.7291713411. The cubic root of 5238535680 is about 1736.7473121645.

The spelling of 5238535680 in words is "five billion, two hundred thirty-eight million, five hundred thirty-five thousand, six hundred eighty".