2558342508 has 12 divisors (see below), whose sum is σ = 5969465880. Its totient is φ = 852780832.

The previous prime is 2558342497. The next prime is 2558342513. The reversal of 2558342508 is 8052438552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2558342508.

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, 106597593 + ... + 106597616.

It is an arithmetic number, because the mean of its divisors is an integer number (497455490).

Almost surely, 2^2558342508 is an apocalyptic number.

It is an amenable number.

2558342508 is an abundant number, since it is smaller than the sum of its proper divisors (3411123372).

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

2558342508 is a wasteful number, since it uses less digits than its factorization.

2558342508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213195216 (or 213195214 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The square root of 2558342508 is about 50580.0603795606. The cubic root of 2558342508 is about 1367.6854569911.

The spelling of 2558342508 in words is "two billion, five hundred fifty-eight million, three hundred forty-two thousand, five hundred eight".