440020140344230 has 16 divisors (see below), whose sum is σ = 792372288407760. Its totient is φ = 175933381518112.

The previous prime is 440020140344201. The next prime is 440020140344233. The reversal of 440020140344230 is 32443041020044.

It is a junction number, because it is equal to n+sod(n) for n = 440020140344192 and 440020140344201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440020140344233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9334302700 + ... + 9334349839.

It is an arithmetic number, because the mean of its divisors is an integer number (49523268025485).

Almost surely, 2^{440020140344230} is an apocalyptic number.

440020140344230 is a deficient number, since it is larger than the sum of its proper divisors (352352148063530).

440020140344230 is a wasteful number, since it uses less digits than its factorization.

440020140344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18668654903.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 440020140344230 its reverse (32443041020044), we get a palindrome (472463181364274).

The spelling of 440020140344230 in words is "four hundred forty trillion, twenty billion, one hundred forty million, three hundred forty-four thousand, two hundred thirty".