14289920784 has 30 divisors (see below), whose sum is σ = 39991931486. Its totient is φ = 4763306880.

The previous prime is 14289920783. The next prime is 14289920789. The reversal of 14289920784 is 48702998241.

14289920784 is a `hidden beast` number, since 1 + 428 + 9 + 9 + 207 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7885440000 + 6404480784 = 88800^2 + 80028^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 14289920784.

It is not an unprimeable number, because it can be changed into a prime (14289920783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49617637 + ... + 49617924.

Almost surely, 2^14289920784 is an apocalyptic number.

It is an amenable number.

14289920784 is an abundant number, since it is smaller than the sum of its proper divisors (25702010702).

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

14289920784 is a wasteful number, since it uses less digits than its factorization.

14289920784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99235575 (or 99235566 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 14289920784 in words is "fourteen billion, two hundred eighty-nine million, nine hundred twenty thousand, seven hundred eighty-four".