440221310140 has 24 divisors (see below), whose sum is σ = 924847337232. Its totient is φ = 176015650560.

The previous prime is 440221310131. The next prime is 440221310147. The reversal of 440221310140 is 41013122044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440221310147) 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 7 ways as a sum of consecutive naturals, for example, 4505046 + ... + 4601725.

It is an arithmetic number, because the mean of its divisors is an integer number (38535305718).

Almost surely, 2^440221310140 is an apocalyptic number.

It is an amenable number.

440221310140 is an abundant number, since it is smaller than the sum of its proper divisors (484626027092).

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

440221310140 is a wasteful number, since it uses less digits than its factorization.

440221310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9109197 (or 9109195 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 440221310140 its reverse (41013122044), we get a palindrome (481234432184).

The spelling of 440221310140 in words is "four hundred forty billion, two hundred twenty-one million, three hundred ten thousand, one hundred forty".