2440229540 has 48 divisors (see below), whose sum is σ = 5886048000. Its totient is φ = 832436352.

The previous prime is 2440229509. The next prime is 2440229549. The reversal of 2440229540 is 459220442.

It is a super-2 number, since 2×2440229540² = 11909440415777223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2440229497 and 2440229506.

It is not an unprimeable number, because it can be changed into a prime (2440229549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15935 + ... + 71654.

It is an arithmetic number, because the mean of its divisors is an integer number (122626000).

Almost surely, 2^2440229540 is an apocalyptic number.

2440229540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440229540 is an abundant number, since it is smaller than the sum of its proper divisors (3445818460).

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

2440229540 is a wasteful number, since it uses less digits than its factorization.

2440229540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87804 (or 87802 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2440229540 is about 49398.6795370079. The cubic root of 2440229540 is about 1346.3053141446.

Adding to 2440229540 its reverse (459220442), we get a palindrome (2899449982).

The spelling of 2440229540 in words is "two billion, four hundred forty million, two hundred twenty-nine thousand, five hundred forty".