268959465 has 72 divisors (see below), whose sum is σ = 507099528. Its totient is φ = 131404800.

The previous prime is 268959463. The next prime is 268959473. The reversal of 268959465 is 564959862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 128323584 + 140635881 = 11328^2 + 11859^2 .

It is not a de Polignac number, because 268959465 - 2¹ = 268959463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268959463) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2662915 + ... + 2663015.

It is an arithmetic number, because the mean of its divisors is an integer number (7043049).

Almost surely, 2^268959465 is an apocalyptic number.

It is an amenable number.

268959465 is a deficient number, since it is larger than the sum of its proper divisors (238140063).

268959465 is a wasteful number, since it uses less digits than its factorization.

268959465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 185 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 268959465 is about 16399.9836890163. The cubic root of 268959465 is about 645.4990549067.

The spelling of 268959465 in words is "two hundred sixty-eight million, nine hundred fifty-nine thousand, four hundred sixty-five".