4002005132 has 12 divisors (see below), whose sum is σ = 7023694440. Its totient is φ = 1995235296.

The previous prime is 4002005027. The next prime is 4002005153. The reversal of 4002005132 is 2315002004.

It is a self number, because there is not a number n which added to its sum of digits gives 4002005132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440257 + ... + 1443032.

It is an arithmetic number, because the mean of its divisors is an integer number (585307870).

Almost surely, 2^4002005132 is an apocalyptic number.

It is an amenable number.

4002005132 is a deficient number, since it is larger than the sum of its proper divisors (3021689308).

4002005132 is a wasteful number, since it uses less digits than its factorization.

4002005132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883640 (or 2883638 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4002005132 is about 63261.4031776090. The cubic root of 4002005132 is about 1587.6662533800. Note that the first 3 decimals are identical.

Adding to 4002005132 its reverse (2315002004), we get a palindrome (6317007136).

The spelling of 4002005132 in words is "four billion, two million, five thousand, one hundred thirty-two".