442203303231032 has 64 divisors (see below), whose sum is σ = 978149609687040. Its totient is φ = 183401531510400.

The previous prime is 442203303231031. The next prime is 442203303231077. The reversal of 442203303231032 is 230132303302244.

It is a happy number.

It is a super-2 number, since 2×442203303231032² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442203303231032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442203303231031) 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, 647483558 + ... + 648166154.

It is an arithmetic number, because the mean of its divisors is an integer number (15283587651360).

Almost surely, 2^{442203303231032} is an apocalyptic number.

It is an amenable number.

442203303231032 is an abundant number, since it is smaller than the sum of its proper divisors (535946306456008).

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

442203303231032 is a wasteful number, since it uses less digits than its factorization.

442203303231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055812 (or 1055808 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 442203303231032 its reverse (230132303302244), we get a palindrome (672335606533276).

The spelling of 442203303231032 in words is "four hundred forty-two trillion, two hundred three billion, three hundred three million, two hundred thirty-one thousand, thirty-two".