4000571136 has 108 divisors (see below), whose sum is σ = 11552283288. Its totient is φ = 1331484672.

The previous prime is 4000571123. The next prime is 4000571149. The reversal of 4000571136 is 6311750004.

It is an interprime number because it is at equal distance from previous prime (4000571123) and next prime (4000571149).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2678806 + ... + 2680298.

It is an arithmetic number, because the mean of its divisors is an integer number (106965586).

Almost surely, 2^4000571136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4000571136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5776141644).

4000571136 is an abundant number, since it is smaller than the sum of its proper divisors (7551712152).

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

4000571136 is a wasteful number, since it uses less digits than its factorization.

4000571136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 4000571136 is about 63250.0682687379. The cubic root of 4000571136 is about 1587.4766001966.

The spelling of 4000571136 in words is "four billion, five hundred seventy-one thousand, one hundred thirty-six".