14678438502 has 64 divisors (see below), whose sum is σ = 36371026944. Its totient is φ = 3845577600.

The previous prime is 14678438497. The next prime is 14678438549. The reversal of 14678438502 is 20583487641.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6573 + ... + 171464.

It is an arithmetic number, because the mean of its divisors is an integer number (568297296).

Almost surely, 2^14678438502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14678438502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18185513472).

14678438502 is an abundant number, since it is smaller than the sum of its proper divisors (21692588442).

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

14678438502 is a wasteful number, since it uses less digits than its factorization.

14678438502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178213.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 14678438502 in words is "fourteen billion, six hundred seventy-eight million, four hundred thirty-eight thousand, five hundred two".