442603052250 has 128 divisors (see below), whose sum is σ = 1112163436800. Its totient is φ = 117235641600.

The previous prime is 442603052239. The next prime is 442603052263. The reversal of 442603052250 is 52250306244.

It is a happy number.

442603052250 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×442603052250² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195064116 + ... + 195066384.

It is an arithmetic number, because the mean of its divisors is an integer number (8688776850).

Almost surely, 2^442603052250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442603052250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556081718400).

442603052250 is an abundant number, since it is smaller than the sum of its proper divisors (669560384550).

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

442603052250 is a wasteful number, since it uses less digits than its factorization.

442603052250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 442603052250 its reverse (52250306244), we get a palindrome (494853358494).

The spelling of 442603052250 in words is "four hundred forty-two billion, six hundred three million, fifty-two thousand, two hundred fifty".