44047217799 has 32 divisors (see below), whose sum is σ = 73973446400. Its totient is φ = 25679345760.

The previous prime is 44047217777. The next prime is 44047217803. The reversal of 44047217799 is 99771274044.

It is a happy number.

44047217799 is a `hidden beast` number, since 440 + 47 + 2 + 1 + 77 + 99 = 666.

It is not a de Polignac number, because 44047217799 - 2¹³ = 44047209607 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44047217699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3295717 + ... + 3309054.

It is an arithmetic number, because the mean of its divisors is an integer number (2311670200).

Almost surely, 2^44047217799 is an apocalyptic number.

44047217799 is a deficient number, since it is larger than the sum of its proper divisors (29926228601).

44047217799 is a wasteful number, since it uses less digits than its factorization.

44047217799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604812 (or 6604806 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 44047217799 in words is "forty-four billion, forty-seven million, two hundred seventeen thousand, seven hundred ninety-nine".