2668444250 has 32 divisors (see below), whose sum is σ = 5008685760. Its totient is φ = 1064523600.

The previous prime is 2668444243. The next prime is 2668444279. The reversal of 2668444250 is 524448662.

It is a junction number, because it is equal to n+sod(n) for n = 2668444198 and 2668444207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80669 + ... + 108831.

It is an arithmetic number, because the mean of its divisors is an integer number (156521430).

Almost surely, 2^2668444250 is an apocalyptic number.

2668444250 is a deficient number, since it is larger than the sum of its proper divisors (2340241510).

2668444250 is a wasteful number, since it uses less digits than its factorization.

2668444250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28559 (or 28549 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The square root of 2668444250 is about 51656.9864587550. The cubic root of 2668444250 is about 1387.0306071228.

The spelling of 2668444250 in words is "two billion, six hundred sixty-eight million, four hundred forty-four thousand, two hundred fifty".