4446266368 has 44 divisors (see below), whose sum is σ = 8897940540. Its totient is φ = 2220695552.

The previous prime is 4446266333. The next prime is 4446266369. The reversal of 4446266368 is 8636626444.

It can be written as a sum of positive squares in 2 ways, for example, as 4112400384 + 333865984 = 64128^2 + 18272^2 .

It is a super-2 number, since 2×4446266368² = 39538569230415822848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4446266369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256730 + ... + 1260262.

Almost surely, 2^4446266368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4446266368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4448970270).

4446266368 is an abundant number, since it is smaller than the sum of its proper divisors (4451674172).

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

4446266368 is a wasteful number, since it uses less digits than its factorization.

4446266368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782 (or 4764 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 49.

The square root of 4446266368 is about 66680.3296932461. The cubic root of 4446266368 is about 1644.3660146887.

The spelling of 4446266368 in words is "four billion, four hundred forty-six million, two hundred sixty-six thousand, three hundred sixty-eight".