2005442558 has 16 divisors (see below), whose sum is σ = 3438603744. Its totient is φ = 859299840.

The previous prime is 2005442503. The next prime is 2005442563. The reversal of 2005442558 is 8552445002.

It is a super-4 number, since 4×2005442558⁴ (a number of 38 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 75518 + ... + 98558.

It is an arithmetic number, because the mean of its divisors is an integer number (214912734).

Almost surely, 2^2005442558 is an apocalyptic number.

2005442558 is a deficient number, since it is larger than the sum of its proper divisors (1433161186).

2005442558 is a wasteful number, since it uses less digits than its factorization.

2005442558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29267.

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 2005442558 is about 44782.1678573068. The cubic root of 2005442558 is about 1261.0628803389.

The spelling of 2005442558 in words is "two billion, five million, four hundred forty-two thousand, five hundred fifty-eight".