840713675648 has 384 divisors, whose sum is σ = 2243403993600. Its totient is φ = 309464064000.

The previous prime is 840713675603. The next prime is 840713675677. The reversal of 840713675648 is 846576317048.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 682951193 + ... + 682952423.

It is an arithmetic number, because the mean of its divisors is an integer number (5842197900).

Almost surely, 2^840713675648 is an apocalyptic number.

840713675648 is a gapful number since it is divisible by the number (88) 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 840713675648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121701996800).

840713675648 is an abundant number, since it is smaller than the sum of its proper divisors (1402690317952).

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

840713675648 is a wasteful number, since it uses less digits than its factorization.

840713675648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 840713675648 in words is "eight hundred forty billion, seven hundred thirteen million, six hundred seventy-five thousand, six hundred forty-eight".