842009487072 has 96 divisors (see below), whose sum is σ = 2404835530272. Its totient is φ = 256408879104.

The previous prime is 842009487041. The next prime is 842009487073. The reversal of 842009487072 is 270784900248.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842009487073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3356713 + ... + 3598824.

It is an arithmetic number, because the mean of its divisors is an integer number (25050370107).

Almost surely, 2^842009487072 is an apocalyptic number.

It is an amenable number.

842009487072 is an abundant number, since it is smaller than the sum of its proper divisors (1562826043200).

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

842009487072 is a wasteful number, since it uses less digits than its factorization.

842009487072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955660 (or 6955652 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 842009487072 in words is "eight hundred forty-two billion, nine million, four hundred eighty-seven thousand, seventy-two".