442402043224253 has 16 divisors (see below), whose sum is σ = 513893956312704. Its totient is φ = 372983109428160.

The previous prime is 442402043224249. The next prime is 442402043224301. The reversal of 442402043224253 is 352422340204244.

It is not a de Polignac number, because 442402043224253 - 2² = 442402043224249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442402043224253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442402043224753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70821926 + ... + 76815032.

It is an arithmetic number, because the mean of its divisors is an integer number (32118372269544).

Almost surely, 2^{442402043224253} is an apocalyptic number.

It is an amenable number.

442402043224253 is a deficient number, since it is larger than the sum of its proper divisors (71491913088451).

442402043224253 is a wasteful number, since it uses less digits than its factorization.

442402043224253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166052.

The product of its (nonzero) digits is 1474560, while the sum is 41.

Adding to 442402043224253 its reverse (352422340204244), we get a palindrome (794824383428497).

The spelling of 442402043224253 in words is "four hundred forty-two trillion, four hundred two billion, forty-three million, two hundred twenty-four thousand, two hundred fifty-three".