268388544 has 28 divisors (see below), whose sum is σ = 710111864. Its totient is φ = 89462784.

The previous prime is 268388543. The next prime is 268388557. The reversal of 268388544 is 445883862.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 268388493 and 268388502.

It is not an unprimeable number, because it can be changed into a prime (268388543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698737 + ... + 699120.

It is an arithmetic number, because the mean of its divisors is an integer number (25361138).

Almost surely, 2^268388544 is an apocalyptic number.

268388544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

268388544 is an abundant number, since it is smaller than the sum of its proper divisors (441723320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268388544 is a wasteful number, since it uses less digits than its factorization.

268388544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397872 (or 1397862 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The square root of 268388544 is about 16382.5682968209. The cubic root of 268388544 is about 645.0419971452.

The spelling of 268388544 in words is "two hundred sixty-eight million, three hundred eighty-eight thousand, five hundred forty-four".