268915456 has 18 divisors (see below), whose sum is σ = 536780972. Its totient is φ = 134457600.

The previous prime is 268915453. The next prime is 268915487. The reversal of 268915456 is 654519862.

It is not an unprimeable number, because it can be changed into a prime (268915453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524970 + ... + 525481.

Almost surely, 2^268915456 is an apocalyptic number.

It is an amenable number.

268915456 is a deficient number, since it is larger than the sum of its proper divisors (267865516).

268915456 is an equidigital number, since it uses as much as digits as its factorization.

268915456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050467 (or 1050453 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 268915456 is about 16398.6418949863. The cubic root of 268915456 is about 645.4638459860.

It can be divided in two parts, 2689 and 15456, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 268915456 in words is "two hundred sixty-eight million, nine hundred fifteen thousand, four hundred fifty-six".