558426690 has 64 divisors (see below), whose sum is σ = 1499109120. Its totient is φ = 147916800.

The previous prime is 558426689. The next prime is 558426691. The reversal of 558426690 is 96624855.

558426690 is a `hidden beast` number, since 5 + 584 + 2 + 6 + 69 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (558426689) and next prime (558426691).

It is a super-2 number, since 2×558426690² = 623680736208712200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (558426691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33922 + ... + 47618.

It is an arithmetic number, because the mean of its divisors is an integer number (23423580).

Almost surely, 2^558426690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 558426690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749554560).

558426690 is an abundant number, since it is smaller than the sum of its proper divisors (940682430).

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

558426690 is a wasteful number, since it uses less digits than its factorization.

558426690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864 (or 13858 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 558426690 is about 23631.0535101590. The cubic root of 558426690 is about 823.4844241101.

The spelling of 558426690 in words is "five hundred fifty-eight million, four hundred twenty-six thousand, six hundred ninety".