1558867242 has 8 divisors (see below), whose sum is σ = 3117734496. Its totient is φ = 519622412.

The previous prime is 1558867213. The next prime is 1558867253. The reversal of 1558867242 is 2427688551.

It is a sphenic number, since it is the product of 3 distinct primes.

1558867242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1558867191 and 1558867200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129905598 + ... + 129905609.

It is an arithmetic number, because the mean of its divisors is an integer number (389716812).

Almost surely, 2^1558867242 is an apocalyptic number.

1558867242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1558867242 is a wasteful number, since it uses less digits than its factorization.

1558867242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259811212.

The product of its digits is 1075200, while the sum is 48.

The square root of 1558867242 is about 39482.4928544285. The cubic root of 1558867242 is about 1159.4972162140.

The spelling of 1558867242 in words is "one billion, five hundred fifty-eight million, eight hundred sixty-seven thousand, two hundred forty-two".