840968241152 has 68 divisors (see below), whose sum is σ = 1811304227460. Its totient is φ = 388138795008.

The previous prime is 840968241101. The next prime is 840968241233. The reversal of 840968241152 is 251142869048.

It can be written as a sum of positive squares in 2 ways, for example, as 538309820416 + 302658420736 = 733696^2 + 550144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 840968241152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358424 + ... + 1345512.

Almost surely, 2^840968241152 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 840968241152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905652113730).

840968241152 is an abundant number, since it is smaller than the sum of its proper divisors (970335986308).

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

840968241152 is an frugal number, since it uses more digits than its factorization.

840968241152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987134 (or 987104 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 840968241152 in words is "eight hundred forty billion, nine hundred sixty-eight million, two hundred forty-one thousand, one hundred fifty-two".