811026450 has 72 divisors (see below), whose sum is σ = 2346586788. Its totient is φ = 199635840.

The previous prime is 811026443. The next prime is 811026467. The reversal of 811026450 is 54620118.

811026450 is a `hidden beast` number, since 8 + 1 + 10 + 2 + 645 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 131537961 + 679488489 = 11469^2 + 26067^2 .

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 35 ways as a sum of consecutive naturals, for example, 63469 + ... + 75168.

Almost surely, 2^811026450 is an apocalyptic number.

811026450 is an abundant number, since it is smaller than the sum of its proper divisors (1535560338).

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

811026450 is a wasteful number, since it uses less digits than its factorization.

811026450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138668 (or 138660 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 811026450 is about 28478.5261205702. The cubic root of 811026450 is about 932.5633409861.

Adding to 811026450 its reverse (54620118), we get a palindrome (865646568).

The spelling of 811026450 in words is "eight hundred eleven million, twenty-six thousand, four hundred fifty".