14112142440 has 128 divisors (see below), whose sum is σ = 46220613120. Its totient is φ = 3418502400.

The previous prime is 14112142427. The next prime is 14112142463. The reversal of 14112142440 is 4424121141.

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 14112142440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2144355 + ... + 2150925.

It is an arithmetic number, because the mean of its divisors is an integer number (361098540).

Almost surely, 2^14112142440 is an apocalyptic number.

14112142440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14112142440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23110306560).

14112142440 is an abundant number, since it is smaller than the sum of its proper divisors (32108470680).

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

14112142440 is a wasteful number, since it uses less digits than its factorization.

14112142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223 (or 8219 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 14112142440 its reverse (4424121141), we get a palindrome (18536263581).

The spelling of 14112142440 in words is "fourteen billion, one hundred twelve million, one hundred forty-two thousand, four hundred forty".