4208967644 has 48 divisors (see below), whose sum is σ = 8981280000. Its totient is φ = 1684750080.

The previous prime is 4208967583. The next prime is 4208967649. The reversal of 4208967644 is 4467698024.

It is a junction number, because it is equal to n+sod(n) for n = 4208967592 and 4208967601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4208967649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28607 + ... + 96105.

It is an arithmetic number, because the mean of its divisors is an integer number (187110000).

Almost surely, 2^4208967644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4208967644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4490640000).

4208967644 is an abundant number, since it is smaller than the sum of its proper divisors (4772312356).

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

4208967644 is a wasteful number, since it uses less digits than its factorization.

4208967644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67658 (or 67656 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The square root of 4208967644 is about 64876.5569678293. The cubic root of 4208967644 is about 1614.5761355735.

The spelling of 4208967644 in words is "four billion, two hundred eight million, nine hundred sixty-seven thousand, six hundred forty-four".