5239681920 has 384 divisors, whose sum is σ = 20229562080. Its totient is φ = 1238630400.

The previous prime is 5239681901. The next prime is 5239681921. The reversal of 5239681920 is 291869325.

5239681920 is a `hidden beast` number, since 523 + 96 + 8 + 19 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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 (5239681921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2596752 + ... + 2598768.

Almost surely, 2^5239681920 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 5239681920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10114781040).

5239681920 is an abundant number, since it is smaller than the sum of its proper divisors (14989880160).

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

5239681920 is a wasteful number, since it uses less digits than its factorization.

5239681920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5239681920 is about 72385.6471961120. The cubic root of 5239681920 is about 1736.8739750452.

The spelling of 5239681920 in words is "five billion, two hundred thirty-nine million, six hundred eighty-one thousand, nine hundred twenty".