840031412922 has 192 divisors, whose sum is σ = 2048741735040. Its totient is φ = 247075411968.

The previous prime is 840031412893. The next prime is 840031412939. The reversal of 840031412922 is 229214130048.

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 95 ways as a sum of consecutive naturals, for example, 138319278 + ... + 138325350.

It is an arithmetic number, because the mean of its divisors is an integer number (10670529870).

Almost surely, 2^840031412922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840031412922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024370867520).

840031412922 is an abundant number, since it is smaller than the sum of its proper divisors (1208710322118).

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

840031412922 is a wasteful number, since it uses less digits than its factorization.

840031412922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6426 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 840031412922 in words is "eight hundred forty billion, thirty-one million, four hundred twelve thousand, nine hundred twenty-two".