268621444 has 36 divisors (see below), whose sum is σ = 581758464. Its totient is φ = 106265952.

The previous prime is 268621427. The next prime is 268621459. The reversal of 268621444 is 444126862.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23652 + ... + 33115.

Almost surely, 2^268621444 is an apocalyptic number.

It is an amenable number.

268621444 is an abundant number, since it is smaller than the sum of its proper divisors (313137020).

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

268621444 is a wasteful number, since it uses less digits than its factorization.

268621444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56804 (or 56789 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 268621444 is about 16389.6749205102. The cubic root of 268621444 is about 645.2285262778.

The spelling of 268621444 in words is "two hundred sixty-eight million, six hundred twenty-one thousand, four hundred forty-four".