442330052524452 has 18 divisors (see below), whose sum is σ = 1118112077214678. Its totient is φ = 147443350841472.

The previous prime is 442330052524447. The next prime is 442330052524463. The reversal of 442330052524452 is 254425250033244.

442330052524452 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 30 + 0 + 52 + 524 + 45 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 267732518901156 + 174597533623296 = 16362534^2 + 13213536^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 442330052524398 and 442330052524407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6143472951693 + ... + 6143472951764.

Almost surely, 2^{442330052524452} is an apocalyptic number.

It is an amenable number.

442330052524452 is an abundant number, since it is smaller than the sum of its proper divisors (675782024690226).

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

442330052524452 is a wasteful number, since it uses less digits than its factorization.

442330052524452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12286945903467 (or 12286945903462 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 45.

The spelling of 442330052524452 in words is "four hundred forty-two trillion, three hundred thirty billion, fifty-two million, five hundred twenty-four thousand, four hundred fifty-two".