812252382844 has 24 divisors (see below), whose sum is σ = 1720063870560. Its totient is φ = 327631213056.

The previous prime is 812252382761. The next prime is 812252382881. The reversal of 812252382844 is 448283252218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853205809 + ... + 853206760.

It is an arithmetic number, because the mean of its divisors is an integer number (71669327940).

Almost surely, 2^812252382844 is an apocalyptic number.

It is an amenable number.

812252382844 is an abundant number, since it is smaller than the sum of its proper divisors (907811487716).

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

812252382844 is a wasteful number, since it uses less digits than its factorization.

812252382844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706412597 (or 1706412595 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 49.

The spelling of 812252382844 in words is "eight hundred twelve billion, two hundred fifty-two million, three hundred eighty-two thousand, eight hundred forty-four".