208028945028 has 48 divisors (see below), whose sum is σ = 499987313280. Its totient is φ = 67277894400.

The previous prime is 208028945027. The next prime is 208028945041. The reversal of 208028945028 is 820549820802.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (208028945027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078968 + ... + 1257071.

It is an arithmetic number, because the mean of its divisors is an integer number (10416402360).

Almost surely, 2^208028945028 is an apocalyptic number.

It is an amenable number.

208028945028 is an abundant number, since it is smaller than the sum of its proper divisors (291958368252).

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

208028945028 is a wasteful number, since it uses less digits than its factorization.

208028945028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336268 (or 2336266 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 208028945028 in words is "two hundred eight billion, twenty-eight million, nine hundred forty-five thousand, twenty-eight".