268448890 has 8 divisors (see below), whose sum is σ = 483208020. Its totient is φ = 107379552.

The previous prime is 268448867. The next prime is 268448903. The reversal of 268448890 is 98844862.

It can be written as a sum of positive squares in 2 ways, for example, as 244015641 + 24433249 = 15621^2 + 4943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13422435 + ... + 13422454.

Almost surely, 2^268448890 is an apocalyptic number.

268448890 is a deficient number, since it is larger than the sum of its proper divisors (214759130).

268448890 is a wasteful number, since it uses less digits than its factorization.

268448890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26844896.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 268448890 is about 16384.4099680153. The cubic root of 268448890 is about 645.0903384874.

The spelling of 268448890 in words is "two hundred sixty-eight million, four hundred forty-eight thousand, eight hundred ninety".