268511955 has 16 divisors (see below), whose sum is σ = 430218240. Its totient is φ = 143006688.

The previous prime is 268511951. The next prime is 268511977. The reversal of 268511955 is 559115862.

It is a happy number.

It is not a de Polignac number, because 268511955 - 2² = 268511951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268511951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027 + ... + 23196.

It is an arithmetic number, because the mean of its divisors is an integer number (26888640).

Almost surely, 2^268511955 is an apocalyptic number.

268511955 is a deficient number, since it is larger than the sum of its proper divisors (161706285).

268511955 is a wasteful number, since it uses less digits than its factorization.

268511955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24970.

The product of its digits is 108000, while the sum is 42.

The square root of 268511955 is about 16386.3343979061. The cubic root of 268511955 is about 645.1408501966.

The spelling of 268511955 in words is "two hundred sixty-eight million, five hundred eleven thousand, nine hundred fifty-five".