4440242440 has 32 divisors (see below), whose sum is σ = 10003916160. Its totient is φ = 1773720000.

The previous prime is 4440242407. The next prime is 4440242489. The reversal of 4440242440 is 442420444.

It is a junction number, because it is equal to n+sod(n) for n = 4440242399 and 4440242408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43866 + ... + 103945.

It is an arithmetic number, because the mean of its divisors is an integer number (312622380).

Almost surely, 2^4440242440 is an apocalyptic number.

4440242440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440242440 is an abundant number, since it is smaller than the sum of its proper divisors (5563673720).

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

4440242440 is a wasteful number, since it uses less digits than its factorization.

4440242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148573 (or 148569 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 4440242440 is about 66635.1441808300. The cubic root of 4440242440 is about 1643.6230678006.

Adding to 4440242440 its reverse (442420444), we get a palindrome (4882662884).

The spelling of 4440242440 in words is "four billion, four hundred forty million, two hundred forty-two thousand, four hundred forty".