558241638 has 16 divisors (see below), whose sum is σ = 1116714816. Its totient is φ = 186041960.

The previous prime is 558241637. The next prime is 558241639. The reversal of 558241638 is 836142855.

It is an interprime number because it is at equal distance from previous prime (558241637) and next prime (558241639).

It is a self number, because there is not a number n which added to its sum of digits gives 558241638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558241637) 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 7 ways as a sum of consecutive naturals, for example, 52045 + ... + 61847.

It is an arithmetic number, because the mean of its divisors is an integer number (69794676).

Almost surely, 2^558241638 is an apocalyptic number.

558241638 is an abundant number, since it is smaller than the sum of its proper divisors (558473178).

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

558241638 is a wasteful number, since it uses less digits than its factorization.

558241638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19299.

The product of its digits is 230400, while the sum is 42.

The square root of 558241638 is about 23627.1377445513. The cubic root of 558241638 is about 823.3934516940.

The spelling of 558241638 in words is "five hundred fifty-eight million, two hundred forty-one thousand, six hundred thirty-eight".