442243054520530 has 8 divisors (see below), whose sum is σ = 796037498136972. Its totient is φ = 176897221808208.

The previous prime is 442243054520521. The next prime is 442243054520549. The reversal of 442243054520530 is 35025450342244.

It can be written as a sum of positive squares in 2 ways, for example, as 438300729110689 + 3942325409841 = 20935633^2 + 1985529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22112152726017 + ... + 22112152726036.

Almost surely, 2^{442243054520530} is an apocalyptic number.

442243054520530 is a deficient number, since it is larger than the sum of its proper divisors (353794443616442).

442243054520530 is a wasteful number, since it uses less digits than its factorization.

442243054520530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44224305452060.

The product of its (nonzero) digits is 2304000, while the sum is 43.

The spelling of 442243054520530 in words is "four hundred forty-two trillion, two hundred forty-three billion, fifty-four million, five hundred twenty thousand, five hundred thirty".