444841867816 has 32 divisors (see below), whose sum is σ = 834883459200. Its totient is φ = 222206398720.

The previous prime is 444841867807. The next prime is 444841867823. The reversal of 444841867816 is 618768148444.

It is a happy number.

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, 43053771 + ... + 43064101.

It is an arithmetic number, because the mean of its divisors is an integer number (26090108100).

Almost surely, 2^444841867816 is an apocalyptic number.

It is an amenable number.

444841867816 is a deficient number, since it is larger than the sum of its proper divisors (390041591384).

444841867816 is a wasteful number, since it uses less digits than its factorization.

444841867816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15009 (or 15005 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 61.

The spelling of 444841867816 in words is "four hundred forty-four billion, eight hundred forty-one million, eight hundred sixty-seven thousand, eight hundred sixteen".