440440243120 has 20 divisors (see below), whose sum is σ = 1024023565440. Its totient is φ = 176176097216.

The previous prime is 440440243091. The next prime is 440440243123. The reversal of 440440243120 is 21342044044.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (440440243123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752751440 + ... + 2752751599.

It is an arithmetic number, because the mean of its divisors is an integer number (51201178272).

Almost surely, 2^440440243120 is an apocalyptic number.

440440243120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440440243120 is an abundant number, since it is smaller than the sum of its proper divisors (583583322320).

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

440440243120 is a wasteful number, since it uses less digits than its factorization.

440440243120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505503052 (or 5505503046 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 440440243120 its reverse (21342044044), we get a palindrome (461782287164).

The spelling of 440440243120 in words is "four hundred forty billion, four hundred forty million, two hundred forty-three thousand, one hundred twenty".