4240443555 has 56 divisors (see below), whose sum is σ = 7649251200. Its totient is φ = 2255662080.

The previous prime is 4240443551. The next prime is 4240443563. The reversal of 4240443555 is 5553440424.

It is not a de Polignac number, because 4240443555 - 2² = 4240443551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4240443551) 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 55 ways as a sum of consecutive naturals, for example, 1635310 + ... + 1637900.

Almost surely, 2^4240443555 is an apocalyptic number.

4240443555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4240443555 is a deficient number, since it is larger than the sum of its proper divisors (3408807645).

4240443555 is an equidigital number, since it uses as much as digits as its factorization.

4240443555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The square root of 4240443555 is about 65118.6882162103. The cubic root of 4240443555 is about 1618.5909043365.

Adding to 4240443555 its reverse (5553440424), we get a palindrome (9793883979).

The spelling of 4240443555 in words is "four billion, two hundred forty million, four hundred forty-three thousand, five hundred fifty-five".