442408282686 has 12 divisors (see below), whose sum is σ = 958551279192. Its totient is φ = 147469427556.

The previous prime is 442408282669. The next prime is 442408282703. The reversal of 442408282686 is 686282804244.

442408282686 is a `hidden beast` number, since 4 + 424 + 0 + 82 + 82 + 68 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (442408282669) and next prime (442408282703).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 12289118946 + ... + 12289118981.

It is an arithmetic number, because the mean of its divisors is an integer number (79879273266).

Almost surely, 2^442408282686 is an apocalyptic number.

442408282686 is an abundant number, since it is smaller than the sum of its proper divisors (516142996506).

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

442408282686 is a wasteful number, since it uses less digits than its factorization.

442408282686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24578237935 (or 24578237932 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 54.

The spelling of 442408282686 in words is "four hundred forty-two billion, four hundred eight million, two hundred eighty-two thousand, six hundred eighty-six".