811490244 has 12 divisors (see below), whose sum is σ = 1893477264. Its totient is φ = 270496744.

The previous prime is 811490243. The next prime is 811490293. The reversal of 811490244 is 442094118.

811490244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×811490244² = 1317032832214359072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (811490243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33812082 + ... + 33812105.

It is an arithmetic number, because the mean of its divisors is an integer number (157789772).

Almost surely, 2^811490244 is an apocalyptic number.

It is an amenable number.

811490244 is an abundant number, since it is smaller than the sum of its proper divisors (1081987020).

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

811490244 is a wasteful number, since it uses less digits than its factorization.

811490244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67624194 (or 67624192 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 811490244 is about 28486.6678290038. The cubic root of 811490244 is about 932.7410724940.

The spelling of 811490244 in words is "eight hundred eleven million, four hundred ninety thousand, two hundred forty-four".