2442445555 has 32 divisors (see below), whose sum is σ = 3346126848. Its totient is φ = 1694140800.

The previous prime is 2442445541. The next prime is 2442445559. The reversal of 2442445555 is 5555442442.

It is not a de Polignac number, because 2442445555 - 2⁷ = 2442445427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2442445559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461625 + ... + 466885.

It is an arithmetic number, because the mean of its divisors is an integer number (104566464).

Almost surely, 2^2442445555 is an apocalyptic number.

2442445555 is a deficient number, since it is larger than the sum of its proper divisors (903681293).

2442445555 is a wasteful number, since it uses less digits than its factorization.

2442445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667.

The product of its digits is 640000, while the sum is 40.

The square root of 2442445555 is about 49421.1043482438. The cubic root of 2442445555 is about 1346.7127252883.

Adding to 2442445555 its reverse (5555442442), we get a palindrome (7997887997).

The spelling of 2442445555 in words is "two billion, four hundred forty-two million, four hundred forty-five thousand, five hundred fifty-five".