208214740880 has 20 divisors (see below), whose sum is σ = 484099272732. Its totient is φ = 83285896320.

The previous prime is 208214740847. The next prime is 208214740889. The reversal of 208214740880 is 88047412802.

It can be written as a sum of positive squares in 2 ways, for example, as 120458973184 + 87755767696 = 347072^2 + 296236^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (208214740889) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1301342051 + ... + 1301342210.

Almost surely, 2^208214740880 is an apocalyptic number.

208214740880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208214740880 is an abundant number, since it is smaller than the sum of its proper divisors (275884531852).

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

208214740880 is a wasteful number, since it uses less digits than its factorization.

208214740880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602684274 (or 2602684268 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 44.

The spelling of 208214740880 in words is "two hundred eight billion, two hundred fourteen million, seven hundred forty thousand, eight hundred eighty".