268249466 has 4 divisors (see below), whose sum is σ = 402374202. Its totient is φ = 134124732.

The previous prime is 268249463. The next prime is 268249493. The reversal of 268249466 is 664942862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 149548441 + 118701025 = 12229^2 + 10895^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 268249466.

It is not an unprimeable number, because it can be changed into a prime (268249463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67062365 + ... + 67062368.

Almost surely, 2^268249466 is an apocalyptic number.

268249466 is a deficient number, since it is larger than the sum of its proper divisors (134124736).

268249466 is a wasteful number, since it uses less digits than its factorization.

268249466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134124735.

The product of its digits is 995328, while the sum is 47.

The square root of 268249466 is about 16378.3230521320. The cubic root of 268249466 is about 644.9305583955.

The spelling of 268249466 in words is "two hundred sixty-eight million, two hundred forty-nine thousand, four hundred sixty-six".