442554634636 has 12 divisors (see below), whose sum is σ = 799453533760. Its totient is φ = 214139339280.

The previous prime is 442554634583. The next prime is 442554634637. The reversal of 442554634636 is 636436455244.

It is not an unprimeable number, because it can be changed into a prime (442554634637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784494371 + ... + 1784494618.

Almost surely, 2^442554634636 is an apocalyptic number.

It is an amenable number.

442554634636 is a deficient number, since it is larger than the sum of its proper divisors (356898899124).

442554634636 is a wasteful number, since it uses less digits than its factorization.

442554634636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568989024 (or 3568989022 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 52.

The spelling of 442554634636 in words is "four hundred forty-two billion, five hundred fifty-four million, six hundred thirty-four thousand, six hundred thirty-six".