805282830 has 144 divisors (see below), whose sum is σ = 2375518320. Its totient is φ = 193976640.

The previous prime is 805282823. The next prime is 805282853. The reversal of 805282830 is 38282508.

805282830 is a `hidden beast` number, since 80 + 528 + 28 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5129112 + ... + 5129268.

It is an arithmetic number, because the mean of its divisors is an integer number (16496655).

Almost surely, 2^805282830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805282830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187759160).

805282830 is an abundant number, since it is smaller than the sum of its proper divisors (1570235490).

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

805282830 is a wasteful number, since it uses less digits than its factorization.

805282830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 805282830 is about 28377.5057043427. The cubic root of 805282830 is about 930.3566790038.

Multiplying 805282830 by its product of nonzero digits (30720), we get a square (24738288537600 = 4973760²).

The spelling of 805282830 in words is "eight hundred five million, two hundred eighty-two thousand, eight hundred thirty".