840000444044 has 12 divisors (see below), whose sum is σ = 1477697117568. Its totient is φ = 417801267600.

The previous prime is 840000444029. The next prime is 840000444113. The reversal of 840000444044 is 440444000048.

It is a self number, because there is not a number n which added to its sum of digits gives 840000444044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549737747 + ... + 549739274.

It is an arithmetic number, because the mean of its divisors is an integer number (123141426464).

Almost surely, 2^840000444044 is an apocalyptic number.

It is an amenable number.

840000444044 is a deficient number, since it is larger than the sum of its proper divisors (637696673524).

840000444044 is a wasteful number, since it uses less digits than its factorization.

840000444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099477216 (or 1099477214 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 840000444044 in words is "eight hundred forty billion, four hundred forty-four thousand, forty-four".