4000221304132 has 24 divisors (see below), whose sum is σ = 7079370301080. Its totient is φ = 1977546151680.

The previous prime is 4000221304097. The next prime is 4000221304171. The reversal of 4000221304132 is 2314031220004.

4000221304132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 108778593856 + 3891442710276 = 329816^2 + 1972674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7810582 + ... + 8306962.

It is an arithmetic number, because the mean of its divisors is an integer number (294973762545).

Almost surely, 2^{4000221304132} is an apocalyptic number.

It is an amenable number.

4000221304132 is a deficient number, since it is larger than the sum of its proper divisors (3079148996948).

4000221304132 is a wasteful number, since it uses less digits than its factorization.

4000221304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519111 (or 519109 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 4000221304132 its reverse (2314031220004), we get a palindrome (6314252524136).

The spelling of 4000221304132 in words is "four trillion, two hundred twenty-one million, three hundred four thousand, one hundred thirty-two".