840804844008 has 32 divisors (see below), whose sum is σ = 2102122130400. Its totient is φ = 280253611968.

The previous prime is 840804844001. The next prime is 840804844043. The reversal of 840804844008 is 800448408048.

It is a happy number.

It is a super-3 number, since 3×840804844008³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (840804844001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443766 + ... + 1370597.

It is an arithmetic number, because the mean of its divisors is an integer number (65691316575).

Almost surely, 2^840804844008 is an apocalyptic number.

It is an amenable number.

840804844008 is an abundant number, since it is smaller than the sum of its proper divisors (1261317286392).

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

840804844008 is a wasteful number, since it uses less digits than its factorization.

840804844008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833681 (or 1833677 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 840804844008 in words is "eight hundred forty billion, eight hundred four million, eight hundred forty-four thousand, eight".