2240040424 has 8 divisors (see below), whose sum is σ = 4200075810. Its totient is φ = 1120020208.

The previous prime is 2240040419. The next prime is 2240040427. The reversal of 2240040424 is 4240400422.

It can be written as a sum of positive squares in only one way, i.e., 1693322500 + 546717924 = 41150^2 + 23382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2240040424² = 10035562202308199552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2240040395 and 2240040404.

It is not an unprimeable number, because it can be changed into a prime (2240040427) 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 as a sum of consecutive naturals, namely, 140002519 + ... + 140002534.

Almost surely, 2^2240040424 is an apocalyptic number.

It is an amenable number.

2240040424 is a deficient number, since it is larger than the sum of its proper divisors (1960035386).

2240040424 is a wasteful number, since it uses less digits than its factorization.

2240040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280005059 (or 280005055 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2240040424 is about 47329.0653193151. The cubic root of 2240040424 is about 1308.4343948367.

Adding to 2240040424 its reverse (4240400422), we get a palindrome (6480440846).

The spelling of 2240040424 in words is "two billion, two hundred forty million, forty thousand, four hundred twenty-four".