14001211231440 has 80 divisors (see below), whose sum is σ = 43410984816768. Its totient is φ = 3733034393088.

The previous prime is 14001211231411. The next prime is 14001211231493. The reversal of 14001211231440 is 4413211210041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14001211231440.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3414187 + ... + 6297546.

Almost surely, 2^{14001211231440} is an apocalyptic number.

14001211231440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14001211231440 is an abundant number, since it is smaller than the sum of its proper divisors (29409773585328).

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

14001211231440 is a wasteful number, since it uses less digits than its factorization.

14001211231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9717756 (or 9717750 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 14001211231440 its reverse (4413211210041), we get a palindrome (18414422441481).

The spelling of 14001211231440 in words is "fourteen trillion, one billion, two hundred eleven million, two hundred thirty-one thousand, four hundred forty".