268535043 has 90 divisors (see below), whose sum is σ = 491866804. Its totient is φ = 141063552.

The previous prime is 268535027. The next prime is 268535053. The reversal of 268535043 is 340535862.

It is a happy number.

268535043 is a `hidden beast` number, since 268 + 5 + 350 + 43 = 666.

It is not a de Polignac number, because 268535043 - 2⁴ = 268535027 is a prime.

It is a super-2 number, since 2×268535043² = 144222138638023698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268534989 and 268535007.

It is not an unprimeable number, because it can be changed into a prime (268535053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 6244980 + ... + 6245022.

Almost surely, 2^268535043 is an apocalyptic number.

268535043 is a deficient number, since it is larger than the sum of its proper divisors (223331761).

268535043 is an equidigital number, since it uses as much as digits as its factorization.

268535043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 268535043 is about 16387.0388722307. The cubic root of 268535043 is about 645.1593404783.

The spelling of 268535043 in words is "two hundred sixty-eight million, five hundred thirty-five thousand, forty-three".