268958655 has 24 divisors (see below), whose sum is σ = 532794912. Its totient is φ = 122952384.

The previous prime is 268958629. The next prime is 268958671. The reversal of 268958655 is 556859862.

268958655 is a `hidden beast` number, since 2 + 6 + 8 + 9 + 586 + 55 = 666.

It is not a de Polignac number, because 268958655 - 2²⁴ = 252181439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426604 + ... + 427233.

It is an arithmetic number, because the mean of its divisors is an integer number (22199788).

Almost surely, 2^268958655 is an apocalyptic number.

268958655 is a deficient number, since it is larger than the sum of its proper divisors (263836257).

268958655 is a wasteful number, since it uses less digits than its factorization.

268958655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853855 (or 853852 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The square root of 268958655 is about 16399.9589938512. The cubic root of 268958655 is about 645.4984069098.

The spelling of 268958655 in words is "two hundred sixty-eight million, nine hundred fifty-eight thousand, six hundred fifty-five".