208466745424 has 80 divisors (see below), whose sum is σ = 477660499200. Its totient is φ = 88084375680.

The previous prime is 208466745401. The next prime is 208466745433. The reversal of 208466745424 is 424547664802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122142 + ... + 657154.

It is an arithmetic number, because the mean of its divisors is an integer number (5970756240).

Almost surely, 2^208466745424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208466745424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238830249600).

208466745424 is an abundant number, since it is smaller than the sum of its proper divisors (269193753776).

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

208466745424 is an equidigital number, since it uses as much as digits as its factorization.

208466745424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535113 (or 535093 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 208466745424 in words is "two hundred eight billion, four hundred sixty-six million, seven hundred forty-five thousand, four hundred twenty-four".