2319040456 has 16 divisors (see below), whose sum is σ = 4349335500. Its totient is φ = 1159217664.

The previous prime is 2319040417. The next prime is 2319040487. The reversal of 2319040456 is 6540409132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2249984356 + 69056100 = 47434^2 + 8310^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405 + ... + 68188.

Almost surely, 2^2319040456 is an apocalyptic number.

It is an amenable number.

2319040456 is a deficient number, since it is larger than the sum of its proper divisors (2030295044).

2319040456 is a wasteful number, since it uses less digits than its factorization.

2319040456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75648 (or 75644 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2319040456 is about 48156.4165610358. The cubic root of 2319040456 is about 1323.6386551447.

Adding to 2319040456 its reverse (6540409132), we get a palindrome (8859449588).

The spelling of 2319040456 in words is "two billion, three hundred nineteen million, forty thousand, four hundred fifty-six".