268979260 has 24 divisors (see below), whose sum is σ = 616207536. Its totient is φ = 97810560.

The previous prime is 268979239. The next prime is 268979323. The reversal of 268979260 is 62979862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611097 + ... + 611536.

It is an arithmetic number, because the mean of its divisors is an integer number (25675314).

Almost surely, 2^268979260 is an apocalyptic number.

268979260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268979260 is an abundant number, since it is smaller than the sum of its proper divisors (347228276).

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

268979260 is a wasteful number, since it uses less digits than its factorization.

268979260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222653 (or 1222651 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 268979260 is about 16400.5871846102. The cubic root of 268979260 is about 645.5148904284.

The spelling of 268979260 in words is "two hundred sixty-eight million, nine hundred seventy-nine thousand, two hundred sixty".