442243552421232 has 50 divisors (see below), whose sum is σ = 1279981145938968. Its totient is φ = 147414517473312.

The previous prime is 442243552421149. The next prime is 442243552421233. The reversal of 442243552421232 is 232124255342244.

442243552421232 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 43 + 552 + 4 + 21 + 2 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442243552421233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 170618653188 + ... + 170618655779.

Almost surely, 2^{442243552421232} is an apocalyptic number.

It is an amenable number.

442243552421232 is an abundant number, since it is smaller than the sum of its proper divisors (837737593517736).

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

442243552421232 is a wasteful number, since it uses less digits than its factorization.

442243552421232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341237308987 (or 341237308972 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 45.

The spelling of 442243552421232 in words is "four hundred forty-two trillion, two hundred forty-three billion, five hundred fifty-two million, four hundred twenty-one thousand, two hundred thirty-two".