4085156992 has 64 divisors (see below), whose sum is σ = 9418924800. Its totient is φ = 1728589824.

The previous prime is 4085156963. The next prime is 4085157023. The reversal of 4085156992 is 2996515804.

4085156992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 41928 + ... + 99640.

It is an arithmetic number, because the mean of its divisors is an integer number (147170700).

Almost surely, 2^4085156992 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 4085156992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4709462400).

4085156992 is an abundant number, since it is smaller than the sum of its proper divisors (5333767808).

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

4085156992 is an equidigital number, since it uses as much as digits as its factorization.

4085156992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57813 (or 57801 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 4085156992 is about 63915.2328635357. The cubic root of 4085156992 is about 1598.5869023393.

The spelling of 4085156992 in words is "four billion, eighty-five million, one hundred fifty-six thousand, nine hundred ninety-two".