810944283512 has 96 divisors (see below), whose sum is σ = 1734277184640. Its totient is φ = 354966427200.

The previous prime is 810944283467. The next prime is 810944283533. The reversal of 810944283512 is 215382449018.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2818103 + ... + 3092505.

It is an arithmetic number, because the mean of its divisors is an integer number (18065387340).

Almost surely, 2^810944283512 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 810944283512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867138592320).

810944283512 is an abundant number, since it is smaller than the sum of its proper divisors (923332901128).

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

810944283512 is a wasteful number, since it uses less digits than its factorization.

810944283512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274545 (or 274530 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 810944283512 in words is "eight hundred ten billion, nine hundred forty-four million, two hundred eighty-three thousand, five hundred twelve".