268936776 has 24 divisors (see below), whose sum is σ = 728370630. Its totient is φ = 89645568.

The previous prime is 268936771. The next prime is 268936793. The reversal of 268936776 is 677639862.

It can be written as a sum of positive squares in only one way, i.e., 155002500 + 113934276 = 12450^2 + 10674^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (268936771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1867545 + ... + 1867688.

Almost surely, 2^268936776 is an apocalyptic number.

It is an amenable number.

268936776 is an abundant number, since it is smaller than the sum of its proper divisors (459433854).

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

268936776 is a wasteful number, since it uses less digits than its factorization.

268936776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735245 (or 3735238 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 268936776 is about 16399.2919359343. The cubic root of 268936776 is about 645.4809032993.

The spelling of 268936776 in words is "two hundred sixty-eight million, nine hundred thirty-six thousand, seven hundred seventy-six".