442256717725648 has 80 divisors (see below), whose sum is σ = 1013557896000000. Its totient is φ = 182911229899776.

The previous prime is 442256717725609. The next prime is 442256717725751. The reversal of 442256717725648 is 846527717652244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27564973 + ... + 40550476.

It is an arithmetic number, because the mean of its divisors is an integer number (12669473700000).

Almost surely, 2^{442256717725648} is an apocalyptic number.

It is an amenable number.

442256717725648 is an abundant number, since it is smaller than the sum of its proper divisors (571301178274352).

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

442256717725648 is a wasteful number, since it uses less digits than its factorization.

442256717725648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68117492 (or 68117486 counting only the distinct ones).

The product of its digits is 1264435200, while the sum is 70.

The spelling of 442256717725648 in words is "four hundred forty-two trillion, two hundred fifty-six billion, seven hundred seventeen million, seven hundred twenty-five thousand, six hundred forty-eight".