4000442132 has 48 divisors (see below), whose sum is σ = 7243891200. Its totient is φ = 1932353280.

The previous prime is 4000442129. The next prime is 4000442189. The reversal of 4000442132 is 2312440004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896082 + ... + 2897462.

It is an arithmetic number, because the mean of its divisors is an integer number (150914400).

Almost surely, 2^4000442132 is an apocalyptic number.

It is an amenable number.

4000442132 is a deficient number, since it is larger than the sum of its proper divisors (3243449068).

4000442132 is a wasteful number, since it uses less digits than its factorization.

4000442132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4000442132 is about 63249.0484671509. The cubic root of 4000442132 is about 1587.4595365469.

Adding to 4000442132 its reverse (2312440004), we get a palindrome (6312882136).

The spelling of 4000442132 in words is "four billion, four hundred forty-two thousand, one hundred thirty-two".