5115302440 has 16 divisors (see below), whose sum is σ = 11509430580. Its totient is φ = 2046120960.

The previous prime is 5115302389. The next prime is 5115302447. The reversal of 5115302440 is 442035115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5104530916 + 10771524 = 71446^2 + 3282^2 .

It is not an unprimeable number, because it can be changed into a prime (5115302447) 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, 63941241 + ... + 63941320.

Almost surely, 2^5115302440 is an apocalyptic number.

It is an amenable number.

5115302440 is an abundant number, since it is smaller than the sum of its proper divisors (6394128140).

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

5115302440 is a wasteful number, since it uses less digits than its factorization.

5115302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127882572 (or 127882568 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5115302440 is about 71521.3425489203. The cubic root of 5115302440 is about 1723.0204768699.

Adding to 5115302440 its reverse (442035115), we get a palindrome (5557337555).

The spelling of 5115302440 in words is "five billion, one hundred fifteen million, three hundred two thousand, four hundred forty".