4000868558 has 16 divisors (see below), whose sum is σ = 6128409456. Its totient is φ = 1958236800.

The previous prime is 4000868527. The next prime is 4000868563. The reversal of 4000868558 is 8558680004.

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, 4358 + ... + 89558.

It is an arithmetic number, because the mean of its divisors is an integer number (383025591).

Almost surely, 2^4000868558 is an apocalyptic number.

4000868558 is a deficient number, since it is larger than the sum of its proper divisors (2127540898).

4000868558 is a wasteful number, since it uses less digits than its factorization.

4000868558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85699.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 4000868558 is about 63252.4193845579. The cubic root of 4000868558 is about 1587.5159394766.

The spelling of 4000868558 in words is "four billion, eight hundred sixty-eight thousand, five hundred fifty-eight".