840084001008 has 40 divisors (see below), whose sum is σ = 2480248003968. Its totient is φ = 240024000192.

The previous prime is 840084000991. The next prime is 840084001013. The reversal of 840084001008 is 800100480048.

It is a super-2 number, since 2×840084001008² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 840084001008.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1250124666 + ... + 1250125337.

Almost surely, 2^840084001008 is an apocalyptic number.

It is an amenable number.

840084001008 is an abundant number, since it is smaller than the sum of its proper divisors (1640164002960).

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

840084001008 is a wasteful number, since it uses less digits than its factorization.

840084001008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500250021 (or 2500250015 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The spelling of 840084001008 in words is "eight hundred forty billion, eighty-four million, one thousand, eight".