4021224240 has 320 divisors, whose sum is σ = 14111096832. Its totient is φ = 938803200.

The previous prime is 4021224223. The next prime is 4021224247. The reversal of 4021224240 is 424221204.

It is not an unprimeable number, because it can be changed into a prime (4021224247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10499089 + ... + 10499471.

Almost surely, 2^4021224240 is an apocalyptic number.

4021224240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4021224240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7055548416).

4021224240 is an abundant number, since it is smaller than the sum of its proper divisors (10089872592).

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

4021224240 is a wasteful number, since it uses less digits than its factorization.

4021224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

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

The square root of 4021224240 is about 63413.1235628714. The cubic root of 4021224240 is about 1590.2037158388.

Adding to 4021224240 its reverse (424221204), we get a palindrome (4445445444).

The spelling of 4021224240 in words is "four billion, twenty-one million, two hundred twenty-four thousand, two hundred forty".