442553402223 has 32 divisors (see below), whose sum is σ = 656785409280. Its totient is φ = 294518216160.

The previous prime is 442553402197. The next prime is 442553402237. The reversal of 442553402223 is 322204355244.

442553402223 is a `hidden beast` number, since 4 + 4 + 25 + 5 + 3 + 402 + 223 = 666.

It is not a de Polignac number, because 442553402223 - 2²⁴ = 442536625007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442553402243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46032165 + ... + 46041777.

It is an arithmetic number, because the mean of its divisors is an integer number (20524544040).

Almost surely, 2^442553402223 is an apocalyptic number.

442553402223 is a deficient number, since it is larger than the sum of its proper divisors (214232007057).

442553402223 is a wasteful number, since it uses less digits than its factorization.

442553402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436 (or 12430 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 442553402223 its reverse (322204355244), we get a palindrome (764757757467).

The spelling of 442553402223 in words is "four hundred forty-two billion, five hundred fifty-three million, four hundred two thousand, two hundred twenty-three".