268649444 has 24 divisors (see below), whose sum is σ = 537864768. Its totient is φ = 115014240.

The previous prime is 268649411. The next prime is 268649449. The reversal of 268649444 is 444946862.

268649444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (268649449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25187 + ... + 34229.

It is an arithmetic number, because the mean of its divisors is an integer number (22411032).

Almost surely, 2^268649444 is an apocalyptic number.

It is an amenable number.

268649444 is an abundant number, since it is smaller than the sum of its proper divisors (269215324).

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

268649444 is a wasteful number, since it uses less digits than its factorization.

268649444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115 (or 10113 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 47.

The square root of 268649444 is about 16390.5290945717. The cubic root of 268649444 is about 645.2509441592.

The spelling of 268649444 in words is "two hundred sixty-eight million, six hundred forty-nine thousand, four hundred forty-four".