5205519270 has 256 divisors, whose sum is σ = 16512307200. Its totient is φ = 1156415616.

The previous prime is 5205519257. The next prime is 5205519317. The reversal of 5205519270 is 729155025.

5205519270 is a `hidden beast` number, since 520 + 55 + 19 + 2 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5663871 + ... + 5664789.

It is an arithmetic number, because the mean of its divisors is an integer number (64501200).

Almost surely, 2^5205519270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5205519270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8256153600).

5205519270 is an abundant number, since it is smaller than the sum of its proper divisors (11306787930).

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

5205519270 is an equidigital number, since it uses as much as digits as its factorization.

5205519270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 5205519270 is about 72149.2846118380. The cubic root of 5205519270 is about 1733.0909436288.

The spelling of 5205519270 in words is "five billion, two hundred five million, five hundred nineteen thousand, two hundred seventy".