442252003355 has 4 divisors (see below), whose sum is σ = 530702404032. Its totient is φ = 353801602680.

The previous prime is 442252003309. The next prime is 442252003421. The reversal of 442252003355 is 553300252244.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-442252003355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44225200331 + ... + 44225200340.

It is an arithmetic number, because the mean of its divisors is an integer number (132675601008).

Almost surely, 2^442252003355 is an apocalyptic number.

442252003355 is a deficient number, since it is larger than the sum of its proper divisors (88450400677).

442252003355 is an equidigital number, since it uses as much as digits as its factorization.

442252003355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88450400676.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 442252003355 its reverse (553300252244), we get a palindrome (995552255599).

The spelling of 442252003355 in words is "four hundred forty-two billion, two hundred fifty-two million, three thousand, three hundred fifty-five".