4024240221 has 16 divisors (see below), whose sum is σ = 5724658368. Its totient is φ = 2505734400.

The previous prime is 4024240219. The next prime is 4024240243. The reversal of 4024240221 is 1220424204.

It is not a de Polignac number, because 4024240221 - 2¹ = 4024240219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4024240201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294490 + ... + 307851.

It is an arithmetic number, because the mean of its divisors is an integer number (357791148).

Almost surely, 2^4024240221 is an apocalyptic number.

It is an amenable number.

4024240221 is a deficient number, since it is larger than the sum of its proper divisors (1700418147).

4024240221 is a wasteful number, since it uses less digits than its factorization.

4024240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602492.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4024240221 is about 63436.8995222812. The cubic root of 4024240221 is about 1590.6011756980.

Adding to 4024240221 its reverse (1220424204), we get a palindrome (5244664425).

The spelling of 4024240221 in words is "four billion, twenty-four million, two hundred forty thousand, two hundred twenty-one".