6224203440 has 720 divisors, whose sum is σ = 26905840416. Its totient is φ = 1277337600.

The previous prime is 6224203379. The next prime is 6224203441. The reversal of 6224203440 is 443024226.

6224203440 is a `hidden beast` number, since 622 + 4 + 2 + 0 + 34 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is not an unprimeable number, because it can be changed into a prime (6224203441) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18804075 + ... + 18804405.

Almost surely, 2^6224203440 is an apocalyptic number.

6224203440 is a gapful number since it is divisible by the number (60) 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 6224203440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13452920208).

6224203440 is an abundant number, since it is smaller than the sum of its proper divisors (20681636976).

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

6224203440 is a wasteful number, since it uses less digits than its factorization.

6224203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 6224203440 is about 78893.6210349100. The cubic root of 6224203440 is about 1839.4779788820.

Adding to 6224203440 its reverse (443024226), we get a palindrome (6667227666).

The spelling of 6224203440 in words is "six billion, two hundred twenty-four million, two hundred three thousand, four hundred forty".