4447446890 has 32 divisors (see below), whose sum is σ = 8135840016. Its totient is φ = 1750118400.

The previous prime is 4447446841. The next prime is 4447446943. The reversal of 4447446890 is 986447444.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4345578241 + 101868649 = 65921^2 + 10093^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285134 + ... + 300326.

Almost surely, 2^4447446890 is an apocalyptic number.

4447446890 is a deficient number, since it is larger than the sum of its proper divisors (3688393126).

4447446890 is a wasteful number, since it uses less digits than its factorization.

4447446890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15674.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The square root of 4447446890 is about 66689.1812065495. The cubic root of 4447446890 is about 1644.5115329219.

The spelling of 4447446890 in words is "four billion, four hundred forty-seven million, four hundred forty-six thousand, eight hundred ninety".