Adding to 402104242013 its reverse (310242401204), we get a palindrome (712346643217).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-402104242013 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 17482793131 = 402104242013 / (4 + 0 + 2 + 1 + 0 + 4 + 2 + 4 + 2 + 0 + 1 + 3).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 402104242013.
It is a congruent number.
Almost surely, 2402104242013 is an apocalyptic number.
It is an amenable number.
402104242013 is a wasteful number, since it uses less digits than its factorization.
402104242013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17482793154.
The spelling of 402104242013 in words is "four hundred two billion, one hundred four million, two hundred forty-two thousand, thirteen".