208545545802 has 64 divisors (see below), whose sum is σ = 490094922240. Its totient is φ = 58477204800.

The previous prime is 208545545729. The next prime is 208545545837.

208545545802 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1879849 + ... + 1987692.

It is an arithmetic number, because the mean of its divisors is an integer number (7657733160).

Almost surely, 2^208545545802 is an apocalyptic number.

208545545802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

208545545802 is an abundant number, since it is smaller than the sum of its proper divisors (281549376438).

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

208545545802 is a wasteful number, since it uses less digits than its factorization.

208545545802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867619.

The product of its (nonzero) digits is 2560000, while the sum is 48.

The spelling of 208545545802 in words is "two hundred eight billion, five hundred forty-five million, five hundred forty-five thousand, eight hundred two".