805250026 has 24 divisors (see below), whose sum is σ = 1407097440. Its totient is φ = 344611512.

The previous prime is 805250021. The next prime is 805250027. The reversal of 805250026 is 620052508.

It is a junction number, because it is equal to n+sod(n) for n = 805249976 and 805250003.

It is not an unprimeable number, because it can be changed into a prime (805250021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67285 + ... + 78343.

It is an arithmetic number, because the mean of its divisors is an integer number (58629060).

Almost surely, 2^805250026 is an apocalyptic number.

805250026 is a deficient number, since it is larger than the sum of its proper divisors (601847414).

805250026 is a wasteful number, since it uses less digits than its factorization.

805250026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818 (or 11811 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 805250026 is about 28376.9277054441. The cubic root of 805250026 is about 930.3440458295.

The spelling of 805250026 in words is "eight hundred five million, two hundred fifty thousand, twenty-six".