840083925408 has 192 divisors, whose sum is σ = 2715628269312. Its totient is φ = 221437255680.

The previous prime is 840083925397. The next prime is 840083925413. The reversal of 840083925408 is 804529380048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16231860 + ... + 16283532.

It is an arithmetic number, because the mean of its divisors is an integer number (14143897236).

Almost surely, 2^840083925408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840083925408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357814134656).

840083925408 is an abundant number, since it is smaller than the sum of its proper divisors (1875544343904).

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

840083925408 is a wasteful number, since it uses less digits than its factorization.

840083925408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53567 (or 53559 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 840083925408 in words is "eight hundred forty billion, eighty-three million, nine hundred twenty-five thousand, four hundred eight".