4506404021 has 24 divisors (see below), whose sum is σ = 5523382080. Its totient is φ = 3655798272.

The previous prime is 4506403997. The next prime is 4506404027. The reversal of 4506404021 is 1204046054.

It is not a de Polignac number, because 4506404021 - 2³⁰ = 3432662197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506404027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1434965 + ... + 1438101.

It is an arithmetic number, because the mean of its divisors is an integer number (230140920).

Almost surely, 2^4506404021 is an apocalyptic number.

It is an amenable number.

4506404021 is a deficient number, since it is larger than the sum of its proper divisors (1016978059).

4506404021 is a wasteful number, since it uses less digits than its factorization.

4506404021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713 (or 4706 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4506404021 is about 67129.7551090424. The cubic root of 4506404021 is about 1651.7464240207.

The spelling of 4506404021 in words is "four billion, five hundred six million, four hundred four thousand, twenty-one".