268623980 has 24 divisors (see below), whose sum is σ = 564686640. Its totient is φ = 107339840.

The previous prime is 268623973. The next prime is 268623989. The reversal of 268623980 is 89326862.

It is not an unprimeable number, because it can be changed into a prime (268623989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14891 + ... + 27549.

It is an arithmetic number, because the mean of its divisors is an integer number (23528610).

Almost surely, 2^268623980 is an apocalyptic number.

268623980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268623980 is an abundant number, since it is smaller than the sum of its proper divisors (296062660).

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

268623980 is a wasteful number, since it uses less digits than its factorization.

268623980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729 (or 13727 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 268623980 is about 16389.7522861085. The cubic root of 268623980 is about 645.2305567615.

The spelling of 268623980 in words is "two hundred sixty-eight million, six hundred twenty-three thousand, nine hundred eighty".