5318723329920 has 4608 divisors, whose sum is σ = 26965052928000. Its totient is φ = 978208358400.

The previous prime is 5318723329901. The next prime is 5318723329949. The reversal of 5318723329920 is 299233278135.

5318723329920 is a `hidden beast` number, since 5 + 318 + 7 + 2 + 33 + 299 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 48795626826 + ... + 48795626934.

It is an arithmetic number, because the mean of its divisors is an integer number (5851791000).

Almost surely, 2^{5318723329920} 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 5318723329920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13482526464000).

5318723329920 is an abundant number, since it is smaller than the sum of its proper divisors (21646329598080).

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

5318723329920 is a wasteful number, since it uses less digits than its factorization.

5318723329920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 5318723329920 in words is "five trillion, three hundred eighteen billion, seven hundred twenty-three million, three hundred twenty-nine thousand, nine hundred twenty".