4445669412 has 36 divisors (see below), whose sum is σ = 11240873280. Its totient is φ = 1481466672.

The previous prime is 4445669407. The next prime is 4445669441. The reversal of 4445669412 is 2149665444.

4445669412 is a `hidden beast` number, since 4 + 44 + 566 + 9 + 41 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126289 + ... + 157607.

It is an arithmetic number, because the mean of its divisors is an integer number (312246480).

Almost surely, 2^4445669412 is an apocalyptic number.

It is an amenable number.

4445669412 is an abundant number, since it is smaller than the sum of its proper divisors (6795203868).

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

4445669412 is a wasteful number, since it uses less digits than its factorization.

4445669412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35272 (or 35267 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 4445669412 is about 66675.8532903779. The cubic root of 4445669412 is about 1644.2924205004.

The spelling of 4445669412 in words is "four billion, four hundred forty-five million, six hundred sixty-nine thousand, four hundred twelve".