268009620 has 48 divisors (see below), whose sum is σ = 768737088. Its totient is φ = 69725440.

The previous prime is 268009613. The next prime is 268009631. The reversal of 268009620 is 26900862.

268009620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 52014 + ... + 56933.

It is an arithmetic number, because the mean of its divisors is an integer number (16015356).

Almost surely, 2^268009620 is an apocalyptic number.

268009620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268009620 is an abundant number, since it is smaller than the sum of its proper divisors (500727468).

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

268009620 is a wasteful number, since it uses less digits than its factorization.

268009620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109000 (or 108998 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 268009620 is about 16370.9993586219. Note that the first 3 decimals coincide. The cubic root of 268009620 is about 644.7382869480.

The spelling of 268009620 in words is "two hundred sixty-eight million, nine thousand, six hundred twenty".