14104102520 has 64 divisors (see below), whose sum is σ = 32643626400. Its totient is φ = 5480455680.

The previous prime is 14104102487. The next prime is 14104102559. The reversal of 14104102520 is 2520140141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14104102492 and 14104102501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968090 + ... + 982550.

Almost surely, 2^14104102520 is an apocalyptic number.

14104102520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14104102520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16321813200).

14104102520 is an abundant number, since it is smaller than the sum of its proper divisors (18539523880).

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

14104102520 is a wasteful number, since it uses less digits than its factorization.

14104102520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168 (or 15164 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 14104102520 its reverse (2520140141), we get a palindrome (16624242661).

The spelling of 14104102520 in words is "fourteen billion, one hundred four million, one hundred two thousand, five hundred twenty".