4200663440 has 20 divisors (see below), whose sum is σ = 9766542684. Its totient is φ = 1680265344.

The previous prime is 4200663419. The next prime is 4200663451. The reversal of 4200663440 is 443660024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 765296896 + 3435366544 = 27664^2 + 58612^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26254067 + ... + 26254226.

Almost surely, 2^4200663440 is an apocalyptic number.

4200663440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4200663440 is an abundant number, since it is smaller than the sum of its proper divisors (5565879244).

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

4200663440 is a wasteful number, since it uses less digits than its factorization.

4200663440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52508306 (or 52508300 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 4200663440 is about 64812.5253326855. The cubic root of 4200663440 is about 1613.5135949725.

The spelling of 4200663440 in words is "four billion, two hundred million, six hundred sixty-three thousand, four hundred forty".