442024040042 has 16 divisors (see below), whose sum is σ = 714246006600. Its totient is φ = 203951903232.

The previous prime is 442024040011. The next prime is 442024040071. The reversal of 442024040042 is 240040420244.

It can be written as a sum of positive squares in 4 ways, for example, as 77040108721 + 364983931321 = 277561^2 + 604139^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 442024039993 and 442024040020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374943 + ... + 2554290.

Almost surely, 2^442024040042 is an apocalyptic number.

442024040042 is a deficient number, since it is larger than the sum of its proper divisors (272221966558).

442024040042 is a wasteful number, since it uses less digits than its factorization.

442024040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932697.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 442024040042 its reverse (240040420244), we get a palindrome (682064460286).

The spelling of 442024040042 in words is "four hundred forty-two billion, twenty-four million, forty thousand, forty-two".