944435918436 has 12 divisors (see below), whose sum is σ = 2203683809712. Its totient is φ = 314811972808.

The previous prime is 944435918411. The next prime is 944435918479. The reversal of 944435918436 is 634819534449.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 944435918436.

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, 39351496590 + ... + 39351496613.

It is an arithmetic number, because the mean of its divisors is an integer number (183640317476).

Almost surely, 2^944435918436 is an apocalyptic number.

It is an amenable number.

944435918436 is an abundant number, since it is smaller than the sum of its proper divisors (1259247891276).

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

944435918436 is a wasteful number, since it uses less digits than its factorization.

944435918436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78702993210 (or 78702993208 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 944435918436 in words is "nine hundred forty-four billion, four hundred thirty-five million, nine hundred eighteen thousand, four hundred thirty-six".