14065308728 has 32 divisors (see below), whose sum is σ = 26546520000. Its totient is φ = 6986321280.

The previous prime is 14065308721. The next prime is 14065308731. The reversal of 14065308728 is 82780356041.

It is a super-2 number, since 2×14065308728² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14065308721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499798 + ... + 1509146.

It is an arithmetic number, because the mean of its divisors is an integer number (829578750).

Almost surely, 2^14065308728 is an apocalyptic number.

It is an amenable number.

14065308728 is a deficient number, since it is larger than the sum of its proper divisors (12481211272).

14065308728 is a wasteful number, since it uses less digits than its factorization.

14065308728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10575 (or 10571 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 14065308728 in words is "fourteen billion, sixty-five million, three hundred eight thousand, seven hundred twenty-eight".