444671335556 has 24 divisors (see below), whose sum is σ = 896131553856. Its totient is φ = 189118668960.

The previous prime is 444671335543. The next prime is 444671335639. The reversal of 444671335556 is 655533176444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444671335498 and 444671335507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60611291 + ... + 60618626.

It is an arithmetic number, because the mean of its divisors is an integer number (37338814744).

Almost surely, 2^444671335556 is an apocalyptic number.

It is an amenable number.

444671335556 is an abundant number, since it is smaller than the sum of its proper divisors (451460218300).

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

444671335556 is a wasteful number, since it uses less digits than its factorization.

444671335556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121230059 (or 121230057 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 53.

The spelling of 444671335556 in words is "four hundred forty-four billion, six hundred seventy-one million, three hundred thirty-five thousand, five hundred fifty-six".