14001344320440 has 32 divisors (see below), whose sum is σ = 42004032961680. Its totient is φ = 3733691818752.

The previous prime is 14001344320433. The next prime is 14001344320459. The reversal of 14001344320440 is 4402344310041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14001344320398 and 14001344320407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58338934549 + ... + 58338934788.

Almost surely, 2^{14001344320440} is an apocalyptic number.

14001344320440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14001344320440 is an abundant number, since it is smaller than the sum of its proper divisors (28002688641240).

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

14001344320440 is a wasteful number, since it uses less digits than its factorization.

14001344320440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116677869351 (or 116677869347 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 14001344320440 its reverse (4402344310041), we get a palindrome (18403688630481).

The spelling of 14001344320440 in words is "fourteen trillion, one billion, three hundred forty-four million, three hundred twenty thousand, four hundred forty".