4450866842 has 8 divisors (see below), whose sum is σ = 6714892116. Its totient is φ = 2212569472.

The previous prime is 4450866841. The next prime is 4450866851. The reversal of 4450866842 is 2486680544.

It can be written as a sum of positive squares in 2 ways, for example, as 4450090681 + 776161 = 66709^2 + 881^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4450866841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6431543 + ... + 6432234.

Almost surely, 2^4450866842 is an apocalyptic number.

4450866842 is a deficient number, since it is larger than the sum of its proper divisors (2264025274).

4450866842 is a wasteful number, since it uses less digits than its factorization.

4450866842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12863952.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The square root of 4450866842 is about 66714.8172597362. The cubic root of 4450866842 is about 1644.9329514466.

The spelling of 4450866842 in words is "four billion, four hundred fifty million, eight hundred sixty-six thousand, eight hundred forty-two".