805341042 has 80 divisors (see below), whose sum is σ = 2005990272. Its totient is φ = 239410080.

The previous prime is 805340999. The next prime is 805341059. The reversal of 805341042 is 240143508.

805341042 is a `hidden beast` number, since 80 + 534 + 10 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 805340997 and 805341015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90183 + ... + 98709.

Almost surely, 2^805341042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805341042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002995136).

805341042 is an abundant number, since it is smaller than the sum of its proper divisors (1200649230).

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

805341042 is a wasteful number, since it uses less digits than its factorization.

805341042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605 (or 8596 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 805341042 is about 28378.5313573483. The cubic root of 805341042 is about 930.3790962283.

The spelling of 805341042 in words is "eight hundred five million, three hundred forty-one thousand, forty-two".