2400400424 has 16 divisors (see below), whose sum is σ = 4567927200. Its totient is φ = 1182286512.

The previous prime is 2400400423. The next prime is 2400400487. The reversal of 2400400424 is 4240040042.

It is a junction number, because it is equal to n+sod(n) for n = 2400400396 and 2400400405.

It is not an unprimeable number, because it can be changed into a prime (2400400423) 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, 2238644 + ... + 2239715.

It is an arithmetic number, because the mean of its divisors is an integer number (285495450).

Almost surely, 2^2400400424 is an apocalyptic number.

It is an amenable number.

2400400424 is a deficient number, since it is larger than the sum of its proper divisors (2167526776).

2400400424 is a wasteful number, since it uses less digits than its factorization.

2400400424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478432 (or 4478428 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2400400424 is about 48993.8814955500. The cubic root of 2400400424 is about 1338.9403563069.

Adding to 2400400424 its reverse (4240040042), we get a palindrome (6640440466).

The spelling of 2400400424 in words is "two billion, four hundred million, four hundred thousand, four hundred twenty-four".