840526852 has 24 divisors (see below), whose sum is σ = 1699034400. Its totient is φ = 359583360.

The previous prime is 840526829. The next prime is 840526879. The reversal of 840526852 is 258625048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561102 + ... + 562597.

It is an arithmetic number, because the mean of its divisors is an integer number (70793100).

Almost surely, 2^840526852 is an apocalyptic number.

It is an amenable number.

840526852 is an abundant number, since it is smaller than the sum of its proper divisors (858507548).

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

840526852 is a wasteful number, since it uses less digits than its factorization.

840526852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123731 (or 1123729 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 840526852 is about 28991.8411281519. The cubic root of 840526852 is about 943.7360188447.

The spelling of 840526852 in words is "eight hundred forty million, five hundred twenty-six thousand, eight hundred fifty-two".