2440240040 has 32 divisors (see below), whose sum is σ = 6274903680. Its totient is φ = 836653632.

The previous prime is 2440240037. The next prime is 2440240043. The reversal of 2440240040 is 400420442.

It is an interprime number because it is at equal distance from previous prime (2440240037) and next prime (2440240043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2440239994 and 2440240021.

It is not an unprimeable number, because it can be changed into a prime (2440240043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4357292 + ... + 4357851.

It is an arithmetic number, because the mean of its divisors is an integer number (196090740).

Almost surely, 2^2440240040 is an apocalyptic number.

2440240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440240040 is an abundant number, since it is smaller than the sum of its proper divisors (3834663640).

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

2440240040 is a wasteful number, since it uses less digits than its factorization.

2440240040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8715161 (or 8715157 counting only the distinct ones).

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

The square root of 2440240040 is about 49398.7858150380. The cubic root of 2440240040 is about 1346.3072451358.

Adding to 2440240040 its reverse (400420442), we get a palindrome (2840660482).

The spelling of 2440240040 in words is "two billion, four hundred forty million, two hundred forty thousand, forty".