268079990716920 has 64 divisors (see below), whose sum is σ = 805783619118240. Its totient is φ = 71350784460800.

The previous prime is 268079990716849. The next prime is 268079990716949. The reversal of 268079990716920 is 29617099970862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2143891341 + ... + 2144016380.

Almost surely, 2^{268079990716920} is an apocalyptic number.

268079990716920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268079990716920 is an abundant number, since it is smaller than the sum of its proper divisors (537703628401320).

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

268079990716920 is a wasteful number, since it uses less digits than its factorization.

268079990716920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287908256 (or 4287908252 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 75.

The spelling of 268079990716920 in words is "two hundred sixty-eight trillion, seventy-nine billion, nine hundred ninety million, seven hundred sixteen thousand, nine hundred twenty".