14311003440 has 80 divisors (see below), whose sum is σ = 44418371328. Its totient is φ = 3811600128.

The previous prime is 14311003417. The next prime is 14311003453. The reversal of 14311003440 is 4430011341.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162429 + ... + 234531.

Almost surely, 2^14311003440 is an apocalyptic number.

14311003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14311003440 is an abundant number, since it is smaller than the sum of its proper divisors (30107367888).

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

14311003440 is a wasteful number, since it uses less digits than its factorization.

14311003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72946 (or 72940 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 14311003440 its reverse (4430011341), we get a palindrome (18741014781).

The spelling of 14311003440 in words is "fourteen billion, three hundred eleven million, three thousand, four hundred forty".