2316540520 has 64 divisors (see below), whose sum is σ = 5978995200. Its totient is φ = 791285760.

The previous prime is 2316540491. The next prime is 2316540539. The reversal of 2316540520 is 250456132.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60616 + ... + 91144.

It is an arithmetic number, because the mean of its divisors is an integer number (93421800).

Almost surely, 2^2316540520 is an apocalyptic number.

2316540520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2316540520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2989497600).

2316540520 is an abundant number, since it is smaller than the sum of its proper divisors (3662454680).

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

2316540520 is a wasteful number, since it uses less digits than its factorization.

2316540520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30818 (or 30814 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2316540520 is about 48130.4531455917. The cubic root of 2316540520 is about 1323.1628546655.

Adding to 2316540520 its reverse (250456132), we get a palindrome (2566996652).

The spelling of 2316540520 in words is "two billion, three hundred sixteen million, five hundred forty thousand, five hundred twenty".