208796256940 has 24 divisors (see below), whose sum is σ = 441006667920. Its totient is φ = 83035735488.

The previous prime is 208796256857. The next prime is 208796257009. The reversal of 208796256940 is 49652697802.

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 7 ways as a sum of consecutive naturals, for example, 30169410 + ... + 30176329.

It is an arithmetic number, because the mean of its divisors is an integer number (18375277830).

Almost surely, 2^208796256940 is an apocalyptic number.

208796256940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208796256940 is an abundant number, since it is smaller than the sum of its proper divisors (232210410980).

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

208796256940 is a wasteful number, since it uses less digits than its factorization.

208796256940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60345921 (or 60345919 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 208796256940 in words is "two hundred eight billion, seven hundred ninety-six million, two hundred fifty-six thousand, nine hundred forty".