268796644 has 12 divisors (see below), whose sum is σ = 470515500. Its totient is φ = 134363648.

The previous prime is 268796641. The next prime is 268796651. The reversal of 268796644 is 446697862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75030244 + 193766400 = 8662^2 + 13920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 268796591 and 268796600.

It is not an unprimeable number, because it can be changed into a prime (268796641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17652 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (39209625).

Almost surely, 2^268796644 is an apocalyptic number.

It is an amenable number.

268796644 is a deficient number, since it is larger than the sum of its proper divisors (201718856).

268796644 is a wasteful number, since it uses less digits than its factorization.

268796644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342 (or 17340 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The square root of 268796644 is about 16395.0188776957. The cubic root of 268796644 is about 645.3687725521.

The spelling of 268796644 in words is "two hundred sixty-eight million, seven hundred ninety-six thousand, six hundred forty-four".