810912848 has 40 divisors (see below), whose sum is σ = 1629676200. Its totient is φ = 390426624.

The previous prime is 810912821. The next prime is 810912881. The reversal of 810912848 is 848219018.

It can be written as a sum of positive squares in 4 ways, for example, as 207129664 + 603783184 = 14392^2 + 24572^2 .

It is a super-2 number, since 2×810912848² = 1315159294102942208, which contains 22 as substring.

It is a congruent number.

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, 187640 + ... + 191912.

It is an arithmetic number, because the mean of its divisors is an integer number (40741905).

Almost surely, 2^810912848 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 810912848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814838100).

810912848 is an abundant number, since it is smaller than the sum of its proper divisors (818763352).

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

810912848 is a wasteful number, since it uses less digits than its factorization.

810912848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719 (or 4713 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 810912848 is about 28476.5315303672. The cubic root of 810912848 is about 932.5197969860.

The spelling of 810912848 in words is "eight hundred ten million, nine hundred twelve thousand, eight hundred forty-eight".