4446642006 has 12 divisors (see below), whose sum is σ = 9634391052. Its totient is φ = 1482213996.

The previous prime is 4446641987. The next prime is 4446642041. The reversal of 4446642006 is 6002466444.

It is a happy number.

4446642006 is a `hidden beast` number, since 4 + 4 + 4 + 6 + 642 + 0 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123517816 + ... + 123517851.

It is an arithmetic number, because the mean of its divisors is an integer number (802865921).

Almost surely, 2^4446642006 is an apocalyptic number.

4446642006 is an abundant number, since it is smaller than the sum of its proper divisors (5187749046).

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

4446642006 is a wasteful number, since it uses less digits than its factorization.

4446642006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247035675 (or 247035672 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The square root of 4446642006 is about 66683.1463414857. The cubic root of 4446642006 is about 1644.4123208788.

The spelling of 4446642006 in words is "four billion, four hundred forty-six million, six hundred forty-two thousand, six".