14403338640 has 120 divisors (see below), whose sum is σ = 48398146368. Its totient is φ = 3838752000.

The previous prime is 14403338629. The next prime is 14403338647. The reversal of 14403338640 is 4683330441.

It is a happy number.

14403338640 is a `hidden beast` number, since 1 + 4 + 4 + 0 + 3 + 3 + 3 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 14403338595 and 14403338604.

It is not an unprimeable number, because it can be changed into a prime (14403338647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1616277 + ... + 1625163.

Almost surely, 2^14403338640 is an apocalyptic number.

14403338640 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 14403338640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24199073184).

14403338640 is an abundant number, since it is smaller than the sum of its proper divisors (33994807728).

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

14403338640 is a wasteful number, since it uses less digits than its factorization.

14403338640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157 (or 11148 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 14403338640 in words is "fourteen billion, four hundred three million, three hundred thirty-eight thousand, six hundred forty".