3224144240 has 20 divisors (see below), whose sum is σ = 7496135544. Its totient is φ = 1289657664.

The previous prime is 3224144239. The next prime is 3224144249. The reversal of 3224144240 is 424414223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224144249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20150822 + ... + 20150981.

Almost surely, 2^3224144240 is an apocalyptic number.

It is an amenable number.

3224144240 is an abundant number, since it is smaller than the sum of its proper divisors (4271991304).

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

3224144240 is a wasteful number, since it uses less digits than its factorization.

3224144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40301816 (or 40301810 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 3224144240 is about 56781.5484114338. The cubic root of 3224144240 is about 1477.3094897435.

Adding to 3224144240 its reverse (424414223), we get a palindrome (3648558463).

The spelling of 3224144240 in words is "three billion, two hundred twenty-four million, one hundred forty-four thousand, two hundred forty".