805254912 has 576 divisors, whose sum is σ = 3178828800. Its totient is φ = 194641920.

The previous prime is 805254911. The next prime is 805254943. The reversal of 805254912 is 219452508.

805254912 is a `hidden beast` number, since 80 + 525 + 49 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805254911) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9047764 + ... + 9047852.

It is an arithmetic number, because the mean of its divisors is an integer number (5518800).

Almost surely, 2^805254912 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 805254912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589414400).

805254912 is an abundant number, since it is smaller than the sum of its proper divisors (2373573888).

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

805254912 is a wasteful number, since it uses less digits than its factorization.

805254912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 805254912 is about 28377.0137963810. The cubic root of 805254912 is about 930.3459275026.

The spelling of 805254912 in words is "eight hundred five million, two hundred fifty-four thousand, nine hundred twelve".