444392226309 has 8 divisors (see below), whose sum is σ = 592984799712. Its totient is φ = 296030568560.

The previous prime is 444392226253. The next prime is 444392226331. The reversal of 444392226309 is 903622293444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444392226309 - 2²³ = 444383837701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444392226359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57724422 + ... + 57732119.

It is an arithmetic number, because the mean of its divisors is an integer number (74123099964).

Almost surely, 2^444392226309 is an apocalyptic number.

It is an amenable number.

444392226309 is a deficient number, since it is larger than the sum of its proper divisors (148592573403).

444392226309 is a wasteful number, since it uses less digits than its factorization.

444392226309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115457827.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 444392226309 in words is "four hundred forty-four billion, three hundred ninety-two million, two hundred twenty-six thousand, three hundred nine".