14035720644 has 144 divisors (see below), whose sum is σ = 40085869824. Its totient is φ = 4103870400.

The previous prime is 14035720619. The next prime is 14035720649. The reversal of 14035720644 is 44602753041.

14035720644 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 5 + 7 + 2 + 0 + 644 = 666.

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 = 14035720599 and 14035720608.

It is not an unprimeable number, because it can be changed into a prime (14035720649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1408359 + ... + 1418289.

It is an arithmetic number, because the mean of its divisors is an integer number (278374096).

Almost surely, 2^14035720644 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 14035720644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20042934912).

14035720644 is an abundant number, since it is smaller than the sum of its proper divisors (26050149180).

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

14035720644 is a wasteful number, since it uses less digits than its factorization.

14035720644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10078 (or 10073 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 14035720644 in words is "fourteen billion, thirty-five million, seven hundred twenty thousand, six hundred forty-four".