14989079728 has 40 divisors (see below), whose sum is σ = 33206222880. Its totient is φ = 6420771840.

The previous prime is 14989079723. The next prime is 14989079771. The reversal of 14989079728 is 82797098941.

It is a happy number.

It is a super-2 number, since 2×14989079728² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14989079728.

It is not an unprimeable number, because it can be changed into a prime (14989079723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207018 + ... + 269878.

It is an arithmetic number, because the mean of its divisors is an integer number (830155572).

Almost surely, 2^14989079728 is an apocalyptic number.

It is an amenable number.

14989079728 is an abundant number, since it is smaller than the sum of its proper divisors (18217143152).

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

14989079728 is a wasteful number, since it uses less digits than its factorization.

14989079728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65005 (or 64999 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 14989079728 in words is "fourteen billion, nine hundred eighty-nine million, seventy-nine thousand, seven hundred twenty-eight".