14440040432 has 60 divisors (see below), whose sum is σ = 30028758840. Its totient is φ = 6723927936.

The previous prime is 14440040393. The next prime is 14440040561. The reversal of 14440040432 is 23404004441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319598 + ... + 361970.

It is an arithmetic number, because the mean of its divisors is an integer number (500479314).

Almost surely, 2^14440040432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14440040432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15014379420).

14440040432 is an abundant number, since it is smaller than the sum of its proper divisors (15588718408).

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

14440040432 is a wasteful number, since it uses less digits than its factorization.

14440040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42478 (or 42453 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 14440040432 its reverse (23404004441), we get a palindrome (37844044873).

The spelling of 14440040432 in words is "fourteen billion, four hundred forty million, forty thousand, four hundred thirty-two".