442344412542500 has 60 divisors (see below), whose sum is σ = 1041727896912780. Its totient is φ = 163327167696000.

The previous prime is 442344412542493. The next prime is 442344412542511. The reversal of 442344412542500 is 5245214443244.

It can be written as a sum of positive squares in 10 ways, for example, as 384976028089636 + 57368384452864 = 19620806^2 + 7574192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6805266155 + ... + 6805331154.

It is an arithmetic number, because the mean of its divisors is an integer number (17362131615213).

Almost surely, 2^{442344412542500} is an apocalyptic number.

It is an amenable number.

442344412542500 is an abundant number, since it is smaller than the sum of its proper divisors (599383484370280).

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

442344412542500 is a wasteful number, since it uses less digits than its factorization.

442344412542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13610597346 (or 13610597329 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 44.

Adding to 442344412542500 its reverse (5245214443244), we get a palindrome (447589626985744).

The spelling of 442344412542500 in words is "four hundred forty-two trillion, three hundred forty-four billion, four hundred twelve million, five hundred forty-two thousand, five hundred".