810132450 has 192 divisors, whose sum is σ = 2339850240. Its totient is φ = 183997440.

The previous prime is 810132437. The next prime is 810132461. The reversal of 810132450 is 54231018.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 810132450.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 1113987 + ... + 1114713.

It is an arithmetic number, because the mean of its divisors is an integer number (12186720).

Almost surely, 2^810132450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 810132450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169925120).

810132450 is an abundant number, since it is smaller than the sum of its proper divisors (1529717790).

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

810132450 is a wasteful number, since it uses less digits than its factorization.

810132450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 810132450 is about 28462.8257557116. The cubic root of 810132450 is about 932.2205580226.

Adding to 810132450 its reverse (54231018), we get a palindrome (864363468).

The spelling of 810132450 in words is "eight hundred ten million, one hundred thirty-two thousand, four hundred fifty".