208690540224 has 28 divisors (see below), whose sum is σ = 552160388184. Its totient is φ = 69563513344.

The previous prime is 208690540213. The next prime is 208690540231. The reversal of 208690540224 is 422045096802.

208690540224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 543464757 + ... + 543465140.

Almost surely, 2^208690540224 is an apocalyptic number.

208690540224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

208690540224 is an abundant number, since it is smaller than the sum of its proper divisors (343469847960).

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

208690540224 is a wasteful number, since it uses less digits than its factorization.

208690540224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086929912 (or 1086929902 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 208690540224 in words is "two hundred eight billion, six hundred ninety million, five hundred forty thousand, two hundred twenty-four".