4000551518 has 16 divisors (see below), whose sum is σ = 6222858720. Its totient is φ = 1927315296.

The previous prime is 4000551509. The next prime is 4000551677. The reversal of 4000551518 is 8151550004.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254813 + ... + 270056.

It is an arithmetic number, because the mean of its divisors is an integer number (388928670).

Almost surely, 2^4000551518 is an apocalyptic number.

4000551518 is a deficient number, since it is larger than the sum of its proper divisors (2222307202).

4000551518 is a wasteful number, since it uses less digits than its factorization.

4000551518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525011.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 4000551518 is about 63249.9131857112. The cubic root of 4000551518 is about 1587.4740053032.

The spelling of 4000551518 in words is "four billion, five hundred fifty-one thousand, five hundred eighteen".