826845012 has 108 divisors (see below), whose sum is σ = 2465007636. Its totient is φ = 232968960.

The previous prime is 826845011. The next prime is 826845037. The reversal of 826845012 is 210548628.

It can be written as a sum of positive squares in 2 ways, for example, as 346183236 + 480661776 = 18606^2 + 21924^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826845011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125562 + ... + 131982.

Almost surely, 2^826845012 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 826845012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1232503818).

826845012 is an abundant number, since it is smaller than the sum of its proper divisors (1638162624).

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

826845012 is a wasteful number, since it uses less digits than its factorization.

826845012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 826845012 is about 28754.9128324187. The cubic root of 826845012 is about 938.5873650987.

The spelling of 826845012 in words is "eight hundred twenty-six million, eight hundred forty-five thousand, twelve".