442042244553 has 48 divisors (see below), whose sum is σ = 750460675776. Its totient is φ = 229342700160.

The previous prime is 442042244521. The next prime is 442042244569. The reversal of 442042244553 is 355442240244.

It is not a de Polignac number, because 442042244553 - 2⁵ = 442042244521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442042244573) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1779451 + ... + 2012592.

It is an arithmetic number, because the mean of its divisors is an integer number (15634597412).

Almost surely, 2^442042244553 is an apocalyptic number.

It is an amenable number.

442042244553 is a deficient number, since it is larger than the sum of its proper divisors (308418431223).

442042244553 is a wasteful number, since it uses less digits than its factorization.

442042244553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792134 (or 3792127 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 442042244553 its reverse (355442240244), we get a palindrome (797484484797).

The spelling of 442042244553 in words is "four hundred forty-two billion, forty-two million, two hundred forty-four thousand, five hundred fifty-three".