2400515816 has 16 divisors (see below), whose sum is σ = 4504992000. Its totient is φ = 1199184624.

The previous prime is 2400515813. The next prime is 2400515863. The reversal of 2400515816 is 6185150042.

It is a super-2 number, since 2×2400515816² = 11524952365732291712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2400515813) by changing a digit.

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, 124616 + ... + 142583.

It is an arithmetic number, because the mean of its divisors is an integer number (281562000).

Almost surely, 2^2400515816 is an apocalyptic number.

It is an amenable number.

2400515816 is a deficient number, since it is larger than the sum of its proper divisors (2104476184).

2400515816 is a wasteful number, since it uses less digits than its factorization.

2400515816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268328 (or 268324 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 2400515816 is about 48995.0590978315. The cubic root of 2400515816 is about 1338.9618111342.

Adding to 2400515816 its reverse (6185150042), we get a palindrome (8585665858).

The spelling of 2400515816 in words is "two billion, four hundred million, five hundred fifteen thousand, eight hundred sixteen".