840570112 has 72 divisors (see below), whose sum is σ = 1721865600. Its totient is φ = 409423872.

The previous prime is 840570103. The next prime is 840570119. The reversal of 840570112 is 211075048.

It is a super-2 number, since 2×840570112² = 1413116226375385088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840570119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799703 + ... + 1800169.

It is an arithmetic number, because the mean of its divisors is an integer number (23914800).

Almost surely, 2^840570112 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 840570112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860932800).

840570112 is an abundant number, since it is smaller than the sum of its proper divisors (881295488).

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

840570112 is an equidigital number, since it uses as much as digits as its factorization.

840570112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 840570112 is about 28992.5871905216. The cubic root of 840570112 is about 943.7522092137.

The spelling of 840570112 in words is "eight hundred forty million, five hundred seventy thousand, one hundred twelve".