208243674366140 has 96 divisors (see below), whose sum is σ = 500014861000704. Its totient is φ = 71364975494400.

The previous prime is 208243674366139. The next prime is 208243674366151. The reversal of 208243674366140 is 41663476342802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3042373397 + ... + 3042441843.

It is an arithmetic number, because the mean of its divisors is an integer number (5208488135424).

Almost surely, 2^{208243674366140} is an apocalyptic number.

208243674366140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208243674366140 is an abundant number, since it is smaller than the sum of its proper divisors (291771186634564).

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

208243674366140 is a wasteful number, since it uses less digits than its factorization.

208243674366140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78147 (or 78145 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 56.

The spelling of 208243674366140 in words is "two hundred eight trillion, two hundred forty-three billion, six hundred seventy-four million, three hundred sixty-six thousand, one hundred forty".