4220065240 has 32 divisors (see below), whose sum is σ = 9497975760. Its totient is φ = 1687523200.

The previous prime is 4220065237. The next prime is 4220065253. The reversal of 4220065240 is 425600224.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 139035 + ... + 166645.

Almost surely, 2^4220065240 is an apocalyptic number.

4220065240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220065240 is an abundant number, since it is smaller than the sum of its proper divisors (5277910520).

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

4220065240 is a wasteful number, since it uses less digits than its factorization.

4220065240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443 (or 31439 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4220065240 is about 64962.0292170742. The cubic root of 4220065240 is about 1615.9939170359.

Adding to 4220065240 its reverse (425600224), we get a palindrome (4645665464).

The spelling of 4220065240 in words is "four billion, two hundred twenty million, sixty-five thousand, two hundred forty".