442203623632 has 20 divisors (see below), whose sum is σ = 901862654080. Its totient is φ = 209464874208.

The previous prime is 442203623627. The next prime is 442203623633. The reversal of 442203623632 is 236326302244.

It is a junction number, because it is equal to n+sod(n) for n = 442203623591 and 442203623600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442203623633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727308288 + ... + 727308895.

It is an arithmetic number, because the mean of its divisors is an integer number (45093132704).

Almost surely, 2^442203623632 is an apocalyptic number.

It is an amenable number.

442203623632 is an abundant number, since it is smaller than the sum of its proper divisors (459659030448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442203623632 is a wasteful number, since it uses less digits than its factorization.

442203623632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454617210 (or 1454617204 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 442203623632 its reverse (236326302244), we get a palindrome (678529925876).

The spelling of 442203623632 in words is "four hundred forty-two billion, two hundred three million, six hundred twenty-three thousand, six hundred thirty-two".