4444040439906 has 16 divisors (see below), whose sum is σ = 8888332898304. Its totient is φ = 1481304810224.

The previous prime is 4444040439889. The next prime is 4444040439907. The reversal of 4444040439906 is 6099340404444.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4444040439907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10271145 + ... + 10695068.

It is an arithmetic number, because the mean of its divisors is an integer number (555520806144).

Almost surely, 2^{4444040439906} is an apocalyptic number.

4444040439906 is an abundant number, since it is smaller than the sum of its proper divisors (4444292458398).

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

4444040439906 is a wasteful number, since it uses less digits than its factorization.

4444040439906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21001545.

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 4444040439906 in words is "four trillion, four hundred forty-four billion, forty million, four hundred thirty-nine thousand, nine hundred six".