268436647250 has 16 divisors (see below), whose sum is σ = 502513404120. Its totient is φ = 107374658800.

The previous prime is 268436647249. The next prime is 268436647321. The reversal of 268436647250 is 52746634862.

It can be written as a sum of positive squares in 4 ways, for example, as 18419646961 + 250017000289 = 135719^2 + 500017^2 .

It is a junction number, because it is equal to n+sod(n) for n = 268436647192 and 268436647201.

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, 536873045 + ... + 536873544.

Almost surely, 2^268436647250 is an apocalyptic number.

268436647250 is a deficient number, since it is larger than the sum of its proper divisors (234076756870).

268436647250 is a wasteful number, since it uses less digits than its factorization.

268436647250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073746606 (or 1073746596 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 268436647250 in words is "two hundred sixty-eight billion, four hundred thirty-six million, six hundred forty-seven thousand, two hundred fifty".