444006239091 has 16 divisors (see below), whose sum is σ = 596158525440. Its totient is φ = 293932216800.

The previous prime is 444006239057. The next prime is 444006239099. The reversal of 444006239091 is 190932600444.

It is a de Polignac number, because none of the positive numbers 2^k-444006239091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444006239099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168405 + ... + 957273.

It is an arithmetic number, because the mean of its divisors is an integer number (37259907840).

Almost surely, 2^444006239091 is an apocalyptic number.

444006239091 is a deficient number, since it is larger than the sum of its proper divisors (152152286349).

444006239091 is a wasteful number, since it uses less digits than its factorization.

444006239091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790186.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 444006239091 in words is "four hundred forty-four billion, six million, two hundred thirty-nine thousand, ninety-one".