826468812 has 72 divisors (see below), whose sum is σ = 2320249680. Its totient is φ = 254292480.

The previous prime is 826468801. The next prime is 826468813. The reversal of 826468812 is 218864628.

It is not an unprimeable number, because it can be changed into a prime (826468813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4389 + ... + 40892.

It is an arithmetic number, because the mean of its divisors is an integer number (32225690).

Almost surely, 2^826468812 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 826468812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160124840).

826468812 is an abundant number, since it is smaller than the sum of its proper divisors (1493780868).

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

826468812 is a wasteful number, since it uses less digits than its factorization.

826468812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45320 (or 45299 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 826468812 is about 28748.3705973052. The cubic root of 826468812 is about 938.4449965669. Note that the first 3 decimals are identical.

The spelling of 826468812 in words is "eight hundred twenty-six million, four hundred sixty-eight thousand, eight hundred twelve".