4005242156 has 24 divisors (see below), whose sum is σ = 7213402896. Its totient is φ = 1944492480.

The previous prime is 4005242147. The next prime is 4005242159. The reversal of 4005242156 is 6512425004.

It is not an unprimeable number, because it can be changed into a prime (4005242159) 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, 45110 + ... + 100226.

It is an arithmetic number, because the mean of its divisors is an integer number (300558454).

Almost surely, 2^4005242156 is an apocalyptic number.

It is an amenable number.

4005242156 is a deficient number, since it is larger than the sum of its proper divisors (3208160740).

4005242156 is a wasteful number, since it uses less digits than its factorization.

4005242156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55649 (or 55647 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4005242156 is about 63286.9825161541. The cubic root of 4005242156 is about 1588.0941995864.

The spelling of 4005242156 in words is "four billion, five million, two hundred forty-two thousand, one hundred fifty-six".