208379630240 has 96 divisors (see below), whose sum is σ = 524030472000. Its totient is φ = 78077564928.

The previous prime is 208379630231. The next prime is 208379630323. The reversal of 208379630240 is 42036973802.

It is a junction number, because it is equal to n+sod(n) for n = 208379630191 and 208379630200.

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, 114530 + ... + 655649.

It is an arithmetic number, because the mean of its divisors is an integer number (5458650750).

Almost surely, 2^208379630240 is an apocalyptic number.

208379630240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

208379630240 is an abundant number, since it is smaller than the sum of its proper divisors (315650841760).

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

208379630240 is a wasteful number, since it uses less digits than its factorization.

208379630240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770302 (or 770294 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 208379630240 in words is "two hundred eight billion, three hundred seventy-nine million, six hundred thirty thousand, two hundred forty".