842048487424 has 135 divisors (see below), whose sum is σ = 1725682213983. Its totient is φ = 410864222208.

The previous prime is 842048487353. The next prime is 842048487481. The reversal of 842048487424 is 424784840248.

It is a happy number.

The square root of 842048487424 is 917632.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7869611979 + ... + 7869612085.

Almost surely, 2^842048487424 is an apocalyptic number.

842048487424 is the 917632-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842048487424

842048487424 is an abundant number, since it is smaller than the sum of its proper divisors (883633726559).

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

842048487424 is an frugal number, since it uses more digits than its factorization.

842048487424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 14680064, while the sum is 55.

The spelling of 842048487424 in words is "eight hundred forty-two billion, forty-eight million, four hundred eighty-seven thousand, four hundred twenty-four".