13404442302 has 128 divisors (see below), whose sum is σ = 32391705600. Its totient is φ = 4144452480.

The previous prime is 13404442267. The next prime is 13404442309. The reversal of 13404442302 is 20324440431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404442309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5278149 + ... + 5280687.

It is an arithmetic number, because the mean of its divisors is an integer number (253060200).

Almost surely, 2^13404442302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13404442302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16195852800).

13404442302 is an abundant number, since it is smaller than the sum of its proper divisors (18987263298).

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

13404442302 is an equidigital number, since it uses as much as digits as its factorization.

13404442302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13404442302 its reverse (20324440431), we get a palindrome (33728882733).

The spelling of 13404442302 in words is "thirteen billion, four hundred four million, four hundred forty-two thousand, three hundred two".