5215816344 has 64 divisors (see below), whose sum is σ = 13537692000. Its totient is φ = 1672616960.

The previous prime is 5215816327. The next prime is 5215816357. The reversal of 5215816344 is 4436185125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182242 + ... + 208910.

Almost surely, 2^5215816344 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 5215816344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6768846000).

5215816344 is an abundant number, since it is smaller than the sum of its proper divisors (8321875656).

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

5215816344 is a wasteful number, since it uses less digits than its factorization.

5215816344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26988 (or 26984 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 5215816344 is about 72220.6088592446. The cubic root of 5215816344 is about 1734.2329373947.

The spelling of 5215816344 in words is "five billion, two hundred fifteen million, eight hundred sixteen thousand, three hundred forty-four".