440475005789 has 24 divisors (see below), whose sum is σ = 547482476160. Its totient is φ = 346985615808.

The previous prime is 440475005783. The next prime is 440475005809. The reversal of 440475005789 is 987500574044.

It is a de Polignac number, because none of the positive numbers 2^k-440475005789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440475005789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440475005783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542057 + ... + 1083870.

It is an arithmetic number, because the mean of its divisors is an integer number (22811769840).

Almost surely, 2^440475005789 is an apocalyptic number.

It is an amenable number.

440475005789 is a deficient number, since it is larger than the sum of its proper divisors (107007470371).

440475005789 is a wasteful number, since it uses less digits than its factorization.

440475005789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626189 (or 1626176 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 440475005789 in words is "four hundred forty billion, four hundred seventy-five million, five thousand, seven hundred eighty-nine".