4000323318 has 16 divisors (see below), whose sum is σ = 8016947136. Its totient is φ = 1330724360.

The previous prime is 4000323281. The next prime is 4000323319. The reversal of 4000323318 is 8133230004.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000323319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675996 + ... + 681887.

It is an arithmetic number, because the mean of its divisors is an integer number (501059196).

Almost surely, 2^4000323318 is an apocalyptic number.

4000323318 is an abundant number, since it is smaller than the sum of its proper divisors (4016623818).

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

4000323318 is a wasteful number, since it uses less digits than its factorization.

4000323318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358379.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4000323318 is about 63248.1092049399. The cubic root of 4000323318 is about 1587.4438204270.

The spelling of 4000323318 in words is "four billion, three hundred twenty-three thousand, three hundred eighteen".