2315141440 has 28 divisors (see below), whose sum is σ = 5512931316. Its totient is φ = 926056448.

The previous prime is 2315141377. The next prime is 2315141441. The reversal of 2315141440 is 441415132.

It can be written as a sum of positive squares in 2 ways, for example, as 1807270144 + 507871296 = 42512^2 + 22536^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315141441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3617089 + ... + 3617728.

Almost surely, 2^2315141440 is an apocalyptic number.

2315141440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315141440 is an abundant number, since it is smaller than the sum of its proper divisors (3197789876).

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

2315141440 is an equidigital number, since it uses as much as digits as its factorization.

2315141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7234834 (or 7234824 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2315141440 is about 48115.9167012331. The cubic root of 2315141440 is about 1322.8964252669.

Adding to 2315141440 its reverse (441415132), we get a palindrome (2756556572).

The spelling of 2315141440 in words is "two billion, three hundred fifteen million, one hundred forty-one thousand, four hundred forty".