4208944240 has 20 divisors (see below), whose sum is σ = 9785795544. Its totient is φ = 1683577664.

The previous prime is 4208944237. The next prime is 4208944273. The reversal of 4208944240 is 424498024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4208944240.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26305822 + ... + 26305981.

Almost surely, 2^4208944240 is an apocalyptic number.

4208944240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4208944240 is an abundant number, since it is smaller than the sum of its proper divisors (5576851304).

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

4208944240 is a wasteful number, since it uses less digits than its factorization.

4208944240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52611816 (or 52611810 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 4208944240 is about 64876.3765942581. The cubic root of 4208944240 is about 1614.5731429465.

The spelling of 4208944240 in words is "four billion, two hundred eight million, nine hundred forty-four thousand, two hundred forty".