558239240 has 32 divisors (see below), whose sum is σ = 1352657880. Its totient is φ = 206118912.

The previous prime is 558239203. The next prime is 558239263. The reversal of 558239240 is 42932855.

It can be written as a sum of positive squares in 4 ways, for example, as 223861444 + 334377796 = 14962^2 + 18286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 558239194 and 558239203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536249 + ... + 537288.

Almost surely, 2^558239240 is an apocalyptic number.

It is an amenable number.

558239240 is an abundant number, since it is smaller than the sum of its proper divisors (794418640).

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

558239240 is a wasteful number, since it uses less digits than its factorization.

558239240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073561 (or 1073557 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 558239240 is about 23627.0869977659. The cubic root of 558239240 is about 823.3922726943.

The spelling of 558239240 in words is "five hundred fifty-eight million, two hundred thirty-nine thousand, two hundred forty".