505000458 has 12 divisors (see below), whose sum is σ = 1094167698. Its totient is φ = 168333480.

The previous prime is 505000439. The next prime is 505000459. The reversal of 505000458 is 854000505.

It can be written as a sum of positive squares in only one way, i.e., 490046769 + 14953689 = 22137^2 + 3867^2 .

It is not an unprimeable number, because it can be changed into a prime (505000459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14027773 + ... + 14027808.

Almost surely, 2^505000458 is an apocalyptic number.

505000458 is an abundant number, since it is smaller than the sum of its proper divisors (589167240).

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

505000458 is a wasteful number, since it uses less digits than its factorization.

505000458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055589 (or 28055586 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 505000458 is about 22472.2152446082. The cubic root of 505000458 is about 796.3376649198.

The spelling of 505000458 in words is "five hundred five million, four hundred fifty-eight", and thus it is an aban number.