242609305558 has 16 divisors (see below), whose sum is σ = 365073927120. Its totient is φ = 120918240256.

The previous prime is 242609305541. The next prime is 242609305573. The reversal of 242609305558 is 855503906242.

It is a super-3 number, since 3×242609305558³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

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, 1985973 + ... + 2104591.

It is an arithmetic number, because the mean of its divisors is an integer number (22817120445).

Almost surely, 2^242609305558 is an apocalyptic number.

242609305558 is a deficient number, since it is larger than the sum of its proper divisors (122464621562).

242609305558 is a wasteful number, since it uses less digits than its factorization.

242609305558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121871.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 242609305558 in words is "two hundred forty-two billion, six hundred nine million, three hundred five thousand, five hundred fifty-eight".