842078556480 has 224 divisors, whose sum is σ = 3064062228480. Its totient is φ = 191938406400.

The previous prime is 842078556463. The next prime is 842078556523. The reversal of 842078556480 is 84655870248.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 842078556480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2237955 + ... + 2587005.

Almost surely, 2^842078556480 is an apocalyptic number.

842078556480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842078556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532031114240).

842078556480 is an abundant number, since it is smaller than the sum of its proper divisors (2221983672000).

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

842078556480 is a wasteful number, since it uses less digits than its factorization.

842078556480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349437 (or 349427 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 57.

The spelling of 842078556480 in words is "eight hundred forty-two billion, seventy-eight million, five hundred fifty-six thousand, four hundred eighty".