842568804 has 120 divisors (see below), whose sum is σ = 2746231488. Its totient is φ = 218842560.

The previous prime is 842568799. The next prime is 842568827. The reversal of 842568804 is 408865248.

842568804 is a `hidden beast` number, since 8 + 4 + 2 + 568 + 80 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 842568804.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8062 + ... + 41834.

Almost surely, 2^842568804 is an apocalyptic number.

842568804 is a gapful number since it is divisible by the number (84) 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 842568804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373115744).

842568804 is an abundant number, since it is smaller than the sum of its proper divisors (1903662684).

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

842568804 is a wasteful number, since it uses less digits than its factorization.

842568804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33807 (or 33796 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The square root of 842568804 is about 29027.0357425625. The cubic root of 842568804 is about 944.4996292840.

The spelling of 842568804 in words is "eight hundred forty-two million, five hundred sixty-eight thousand, eight hundred four".