268676780 has 48 divisors (see below), whose sum is σ = 574801920. Its totient is φ = 105470400.

The previous prime is 268676773. The next prime is 268676791. The reversal of 268676780 is 87676862.

It is a happy number.

It is a super-2 number, since 2×268676780² = 144374424222336800, which contains 22 as substring.

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, 611801 + ... + 612239.

It is an arithmetic number, because the mean of its divisors is an integer number (11975040).

Almost surely, 2^268676780 is an apocalyptic number.

268676780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268676780 is an abundant number, since it is smaller than the sum of its proper divisors (306125140).

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

268676780 is a wasteful number, since it uses less digits than its factorization.

268676780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The square root of 268676780 is about 16391.3629695642. The cubic root of 268676780 is about 645.2728289139.

The spelling of 268676780 in words is "two hundred sixty-eight million, six hundred seventy-six thousand, seven hundred eighty".