440240344312 has 16 divisors (see below), whose sum is σ = 853914461400. Its totient is φ = 212529821280.

The previous prime is 440240344301. The next prime is 440240344333. The reversal of 440240344312 is 213443042044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948793614 + ... + 948794077.

Almost surely, 2^440240344312 is an apocalyptic number.

It is an amenable number.

440240344312 is a deficient number, since it is larger than the sum of its proper divisors (413674117088).

440240344312 is a wasteful number, since it uses less digits than its factorization.

440240344312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897587726 (or 1897587722 counting only the distinct ones).

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

Adding to 440240344312 its reverse (213443042044), we get a palindrome (653683386356).

The spelling of 440240344312 in words is "four hundred forty billion, two hundred forty million, three hundred forty-four thousand, three hundred twelve".