2558894466 has 32 divisors (see below), whose sum is σ = 5150285568. Its totient is φ = 847566720.

The previous prime is 2558894453. The next prime is 2558894467. The reversal of 2558894466 is 6644988552.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2558894467) 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 15 ways as a sum of consecutive naturals, for example, 667431 + ... + 671253.

It is an arithmetic number, because the mean of its divisors is an integer number (160946424).

Almost surely, 2^2558894466 is an apocalyptic number.

2558894466 is an abundant number, since it is smaller than the sum of its proper divisors (2591391102).

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

2558894466 is a wasteful number, since it uses less digits than its factorization.

2558894466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506.

The product of its digits is 16588800, while the sum is 57.

The square root of 2558894466 is about 50585.5163658532. The cubic root of 2558894466 is about 1367.7838085141.

The spelling of 2558894466 in words is "two billion, five hundred fifty-eight million, eight hundred ninety-four thousand, four hundred sixty-six".