5239925665920 has 1920 divisors, whose sum is σ = 21867081667200. Its totient is φ = 1183471534080.

The previous prime is 5239925665901. The next prime is 5239925665927. The reversal of 5239925665920 is 295665299325.

5239925665920 is a `hidden beast` number, since 5 + 2 + 39 + 9 + 2 + 5 + 6 + 6 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is not an unprimeable number, because it can be changed into a prime (5239925665927) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 58875569236 + ... + 58875569324.

It is an arithmetic number, because the mean of its divisors is an integer number (11389105035).

Almost surely, 2^{5239925665920} 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 5239925665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10933540833600).

5239925665920 is an abundant number, since it is smaller than the sum of its proper divisors (16627156001280).

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

5239925665920 is a wasteful number, since it uses less digits than its factorization.

5239925665920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 78732000, while the sum is 63.

The spelling of 5239925665920 in words is "five trillion, two hundred thirty-nine billion, nine hundred twenty-five million, six hundred sixty-five thousand, nine hundred twenty".