268255628356 has 9 divisors (see below), whose sum is σ = 469449162399. Its totient is φ = 134127296244.

The previous prime is 268255628341. The next prime is 268255628357. The reversal of 268255628356 is 653826552862.

The square root of 268255628356 is 517934.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×268255628356² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268255628356.

It is not an unprimeable number, because it can be changed into a prime (268255628357) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 906385 + ... + 1165351.

Almost surely, 2^268255628356 is an apocalyptic number.

268255628356 is the 517934-th square number.

It is an amenable number.

268255628356 is a deficient number, since it is larger than the sum of its proper divisors (201193534043).

268255628356 is an frugal number, since it uses more digits than its factorization.

268255628356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517938 (or 258969 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 58.

The spelling of 268255628356 in words is "two hundred sixty-eight billion, two hundred fifty-five million, six hundred twenty-eight thousand, three hundred fifty-six".