268552436265 has 48 divisors (see below), whose sum is σ = 481470912000. Its totient is φ = 138329579520.

The previous prime is 268552436161. The next prime is 268552436291. The reversal of 268552436265 is 562634255862.

268552436265 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 5 + 2 + 4 + 3 + 626 + 5 = 666.

It is not a de Polignac number, because 268552436265 - 2⁷ = 268552436137 is a prime.

It is a super-2 number, since 2×268552436265² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 503209 + ... + 889001.

It is an arithmetic number, because the mean of its divisors is an integer number (10030644000).

Almost surely, 2^268552436265 is an apocalyptic number.

It is an amenable number.

268552436265 is a deficient number, since it is larger than the sum of its proper divisors (212918475735).

268552436265 is a wasteful number, since it uses less digits than its factorization.

268552436265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386334 (or 386331 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 268552436265 in words is "two hundred sixty-eight billion, five hundred fifty-two million, four hundred thirty-six thousand, two hundred sixty-five".