440143211140 has 24 divisors (see below), whose sum is σ = 924327613440. Its totient is φ = 176052166368.

The previous prime is 440143211129. The next prime is 440143211143. The reversal of 440143211140 is 41112341044.

It is not an unprimeable number, because it can be changed into a prime (440143211143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427939 + ... + 1031221.

It is an arithmetic number, because the mean of its divisors is an integer number (38513650560).

Almost surely, 2^440143211140 is an apocalyptic number.

It is an amenable number.

440143211140 is an abundant number, since it is smaller than the sum of its proper divisors (484184402300).

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

440143211140 is a wasteful number, since it uses less digits than its factorization.

440143211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639771 (or 639769 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 440143211140 its reverse (41112341044), we get a palindrome (481255552184).

The spelling of 440143211140 in words is "four hundred forty billion, one hundred forty-three million, two hundred eleven thousand, one hundred forty".