5217894240 has 192 divisors, whose sum is σ = 17739461376. Its totient is φ = 1281595392.

The previous prime is 5217894221. The next prime is 5217894257. The reversal of 5217894240 is 424987125.

It is a junction number, because it is equal to n+sod(n) for n = 5217894192 and 5217894201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5509447 + ... + 5510393.

It is an arithmetic number, because the mean of its divisors is an integer number (92393028).

Almost surely, 2^5217894240 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 5217894240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8869730688).

5217894240 is an abundant number, since it is smaller than the sum of its proper divisors (12521567136).

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

5217894240 is a wasteful number, since it uses less digits than its factorization.

5217894240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5217894240 is about 72234.9931819752. The cubic root of 5217894240 is about 1734.4632035071.

The spelling of 5217894240 in words is "five billion, two hundred seventeen million, eight hundred ninety-four thousand, two hundred forty".