208589048928 has 72 divisors (see below), whose sum is σ = 638803973808. Its totient is φ = 64181244672.

The previous prime is 208589048917. The next prime is 208589048957. The reversal of 208589048928 is 829840985802.

208589048928 is a `hidden beast` number, since 2 + 0 + 8 + 589 + 0 + 48 + 9 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27852700 + ... + 27860187.

It is an arithmetic number, because the mean of its divisors is an integer number (8872277414).

Almost surely, 2^208589048928 is an apocalyptic number.

It is an amenable number.

208589048928 is an abundant number, since it is smaller than the sum of its proper divisors (430214924880).

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

208589048928 is a wasteful number, since it uses less digits than its factorization.

208589048928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55712916 (or 55712905 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 208589048928 in words is "two hundred eight billion, five hundred eighty-nine million, forty-eight thousand, nine hundred twenty-eight".