4132404021 has 16 divisors (see below), whose sum is σ = 5574665664. Its totient is φ = 2722717824.

The previous prime is 4132404007. The next prime is 4132404071. The reversal of 4132404021 is 1204042314.

It is not a de Polignac number, because 4132404021 - 2³¹ = 1984920373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4132404071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71151 + ... + 115443.

It is an arithmetic number, because the mean of its divisors is an integer number (348416604).

Almost surely, 2^4132404021 is an apocalyptic number.

It is an amenable number.

4132404021 is a deficient number, since it is larger than the sum of its proper divisors (1442261643).

4132404021 is a wasteful number, since it uses less digits than its factorization.

4132404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44660.

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

The square root of 4132404021 is about 64283.7772770082. Note that the first 3 decimals coincide. The cubic root of 4132404021 is about 1604.7261329478.

Adding to 4132404021 its reverse (1204042314), we get a palindrome (5336446335).

The spelling of 4132404021 in words is "four billion, one hundred thirty-two million, four hundred four thousand, twenty-one".