210144240402404 has 108 divisors (see below), whose sum is σ = 470374438476348. Its totient is φ = 81847392359040.

The previous prime is 210144240402389. The next prime is 210144240402457. The reversal of 210144240402404 is 404204042441012.

It can be written as a sum of positive squares in 2 ways, for example, as 180382305699904 + 29761934702500 = 13430648^2 + 5455450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70566674 + ... + 73484310.

It is an arithmetic number, because the mean of its divisors is an integer number (4355318874781).

Almost surely, 2^{210144240402404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210144240402404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235187219238174).

210144240402404 is an abundant number, since it is smaller than the sum of its proper divisors (260230198073944).

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

210144240402404 is a wasteful number, since it uses less digits than its factorization.

210144240402404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920714 (or 2920694 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 210144240402404 its reverse (404204042441012), we get a palindrome (614348282843416).

The spelling of 210144240402404 in words is "two hundred ten trillion, one hundred forty-four billion, two hundred forty million, four hundred two thousand, four hundred four".