440368197789 has 24 divisors (see below), whose sum is σ = 635848989120. Its totient is φ = 270974026752.

The previous prime is 440368197769. The next prime is 440368197827. The reversal of 440368197789 is 987791863044.

It is not a de Polignac number, because 440368197789 - 2⁵ = 440368197757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440368197739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8183032 + ... + 8236670.

It is an arithmetic number, because the mean of its divisors is an integer number (26493707880).

Almost surely, 2^440368197789 is an apocalyptic number.

It is an amenable number.

440368197789 is a deficient number, since it is larger than the sum of its proper divisors (195480791331).

440368197789 is a wasteful number, since it uses less digits than its factorization.

440368197789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69861 (or 69848 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 440368197789 in words is "four hundred forty billion, three hundred sixty-eight million, one hundred ninety-seven thousand, seven hundred eighty-nine".