4004421132 has 24 divisors (see below), whose sum is σ = 9471646576. Its totient is φ = 1316521728.

The previous prime is 4004421121. The next prime is 4004421137. The reversal of 4004421132 is 2311244004.

It is a super-2 number, since 2×4004421132² = 32070777204816322848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4004421099 and 4004421108.

It is not an unprimeable number, because it can be changed into a prime (4004421137) 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, 2284753 + ... + 2286504.

Almost surely, 2^4004421132 is an apocalyptic number.

It is an amenable number.

4004421132 is an abundant number, since it is smaller than the sum of its proper divisors (5467225444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4004421132 is a wasteful number, since it uses less digits than its factorization.

4004421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571337 (or 4571335 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4004421132 is about 63280.4956680967. The cubic root of 4004421132 is about 1587.9856790939.

Adding to 4004421132 its reverse (2311244004), we get a palindrome (6315665136).

The spelling of 4004421132 in words is "four billion, four million, four hundred twenty-one thousand, one hundred thirty-two".