4001285252 has 48 divisors (see below), whose sum is σ = 7395276672. Its totient is φ = 1890577920.

The previous prime is 4001285177. The next prime is 4001285269. The reversal of 4001285252 is 2525821004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5790227 + ... + 5790917.

It is an arithmetic number, because the mean of its divisors is an integer number (154068264).

Almost surely, 2^4001285252 is an apocalyptic number.

It is an amenable number.

4001285252 is a deficient number, since it is larger than the sum of its proper divisors (3393991420).

4001285252 is a wasteful number, since it uses less digits than its factorization.

4001285252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 4001285252 is about 63255.7131965169. The cubic root of 4001285252 is about 1587.5710512932.

The spelling of 4001285252 in words is "four billion, one million, two hundred eighty-five thousand, two hundred fifty-two".