6366222240 has 384 divisors, whose sum is σ = 23694612480. Its totient is φ = 1406619648.

The previous prime is 6366222227. The next prime is 6366222241. The reversal of 6366222240 is 422226636.

It is not an unprimeable number, because it can be changed into a prime (6366222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20082562 + ... + 20082878.

It is an arithmetic number, because the mean of its divisors is an integer number (61704720).

Almost surely, 2^6366222240 is an apocalyptic number.

6366222240 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 6366222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11847306240).

6366222240 is an abundant number, since it is smaller than the sum of its proper divisors (17328390240).

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

6366222240 is a wasteful number, since it uses less digits than its factorization.

6366222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 6366222240 is about 79788.6097134171. The cubic root of 6366222240 is about 1853.3634687346.

Adding to 6366222240 its reverse (422226636), we get a palindrome (6788448876).

The spelling of 6366222240 in words is "six billion, three hundred sixty-six million, two hundred twenty-two thousand, two hundred forty".