208904408441 has 8 divisors (see below), whose sum is σ = 223878755904. Its totient is φ = 194421023280.

The previous prime is 208904408437. The next prime is 208904408519. The reversal of 208904408441 is 144804409802.

208904408441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 208904408441 - 2² = 208904408437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208904408392 and 208904408401.

It is not an unprimeable number, because it can be changed into a prime (208904408411) 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 7 ways as a sum of consecutive naturals, for example, 122739695 + ... + 122741396.

It is an arithmetic number, because the mean of its divisors is an integer number (27984844488).

Almost surely, 2^208904408441 is an apocalyptic number.

It is an amenable number.

208904408441 is a deficient number, since it is larger than the sum of its proper divisors (14974347463).

208904408441 is a wasteful number, since it uses less digits than its factorization.

208904408441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245481151.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 208904408441 in words is "two hundred eight billion, nine hundred four million, four hundred eight thousand, four hundred forty-one".