5216238720 has 768 divisors, whose sum is σ = 23677056000. Its totient is φ = 1025187840.

The previous prime is 5216238719. The next prime is 5216238749. The reversal of 5216238720 is 278326125.

5216238720 is a `hidden beast` number, since 5 + 2 + 1 + 623 + 8 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8426571 + ... + 8427189.

It is an arithmetic number, because the mean of its divisors is an integer number (30829500).

Almost surely, 2^5216238720 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 5216238720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11838528000).

5216238720 is an abundant number, since it is smaller than the sum of its proper divisors (18460817280).

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

5216238720 is a wasteful number, since it uses less digits than its factorization.

5216238720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5216238720 is about 72223.5330069085. The cubic root of 5216238720 is about 1734.2797487694.

The spelling of 5216238720 in words is "five billion, two hundred sixteen million, two hundred thirty-eight thousand, seven hundred twenty".