805018424 has 32 divisors (see below), whose sum is σ = 1784527200. Its totient is φ = 333110400.

The previous prime is 805018421. The next prime is 805018427. The reversal of 805018424 is 424810508.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (805018421) and next prime (805018427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805018421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246227 + ... + 249474.

It is an arithmetic number, because the mean of its divisors is an integer number (55766475).

Almost surely, 2^805018424 is an apocalyptic number.

It is an amenable number.

805018424 is an abundant number, since it is smaller than the sum of its proper divisors (979508776).

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

805018424 is a wasteful number, since it uses less digits than its factorization.

805018424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495743 (or 495739 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 805018424 is about 28372.8465967023. The cubic root of 805018424 is about 930.2548436375.

The spelling of 805018424 in words is "eight hundred five million, eighteen thousand, four hundred twenty-four".