4005001142 has 16 divisors (see below), whose sum is σ = 6054886464. Its totient is φ = 1986768000.

The previous prime is 4005001139. The next prime is 4005001163. The reversal of 4005001142 is 2411005004.

It is a self number, because there is not a number n which added to its sum of digits gives 4005001142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115292 + ... + 145952.

It is an arithmetic number, because the mean of its divisors is an integer number (378430404).

Almost surely, 2^4005001142 is an apocalyptic number.

4005001142 is a deficient number, since it is larger than the sum of its proper divisors (2049885322).

4005001142 is a wasteful number, since it uses less digits than its factorization.

4005001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31175.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4005001142 is about 63285.0783518516. The cubic root of 4005001142 is about 1588.0623446158.

Adding to 4005001142 its reverse (2411005004), we get a palindrome (6416006146).

The spelling of 4005001142 in words is "four billion, five million, one thousand, one hundred forty-two".