4220424240 has 80 divisors (see below), whose sum is σ = 13436946528. Its totient is φ = 1095026688.

The previous prime is 4220424239. The next prime is 4220424331. The reversal of 4220424240 is 424240224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4220424240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228757 + ... + 246516.

Almost surely, 2^4220424240 is an apocalyptic number.

4220424240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220424240 is an abundant number, since it is smaller than the sum of its proper divisors (9216522288).

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

4220424240 is a wasteful number, since it uses less digits than its factorization.

4220424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475326 (or 475320 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4220424240 is about 64964.7923109125. The cubic root of 4220424240 is about 1616.0397398161.

Adding to 4220424240 its reverse (424240224), we get a palindrome (4644664464).

The spelling of 4220424240 in words is "four billion, two hundred twenty million, four hundred twenty-four thousand, two hundred forty".