14400443140 has 48 divisors (see below), whose sum is σ = 31845280320. Its totient is φ = 5454829440.

The previous prime is 14400443107. The next prime is 14400443143. The reversal of 14400443140 is 4134400441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14400443143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195950 + ... + 1207930.

It is an arithmetic number, because the mean of its divisors is an integer number (663443340).

Almost surely, 2^14400443140 is an apocalyptic number.

14400443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14400443140 is an abundant number, since it is smaller than the sum of its proper divisors (17444837180).

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

14400443140 is a wasteful number, since it uses less digits than its factorization.

14400443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172 (or 15170 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 14400443140 its reverse (4134400441), we get a palindrome (18534843581).

The spelling of 14400443140 in words is "fourteen billion, four hundred million, four hundred forty-three thousand, one hundred forty".