444240040242 has 32 divisors (see below), whose sum is σ = 891496627200. Its totient is φ = 147577758608.

The previous prime is 444240040177. The next prime is 444240040243. The reversal of 444240040242 is 242040042444.

It is not an unprimeable number, because it can be changed into a prime (444240040243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3528859 + ... + 3652577.

It is an arithmetic number, because the mean of its divisors is an integer number (27859269600).

Almost surely, 2^444240040242 is an apocalyptic number.

444240040242 is an abundant number, since it is smaller than the sum of its proper divisors (447256586958).

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

444240040242 is a wasteful number, since it uses less digits than its factorization.

444240040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125750.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 444240040242 its reverse (242040042444), we get a palindrome (686280082686).

The spelling of 444240040242 in words is "four hundred forty-four billion, two hundred forty million, forty thousand, two hundred forty-two".