4000050555 has 8 divisors (see below), whose sum is σ = 6400080912. Its totient is φ = 2133360288.

The previous prime is 4000050521. The next prime is 4000050557. The reversal of 4000050555 is 5550500004.

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

It is not a de Polignac number, because 4000050555 - 2²² = 3995856251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000050557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133335004 + ... + 133335033.

It is an arithmetic number, because the mean of its divisors is an integer number (800010114).

Almost surely, 2^4000050555 is an apocalyptic number.

4000050555 is a deficient number, since it is larger than the sum of its proper divisors (2400030357).

4000050555 is a wasteful number, since it uses less digits than its factorization.

4000050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266670045.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 4000050555 is about 63245.9528744725. The cubic root of 4000050555 is about 1587.4077395284.

Adding to 4000050555 its reverse (5550500004), we get a palindrome (9550550559).

The spelling of 4000050555 in words is "four billion, fifty thousand, five hundred fifty-five".