10421442402 has 128 divisors (see below), whose sum is σ = 25142745600. Its totient is φ = 2876590080.

The previous prime is 10421442389. The next prime is 10421442419. The reversal of 10421442402 is 20424412401.

10421442402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9534168 + ... + 9535260.

It is an arithmetic number, because the mean of its divisors is an integer number (196427700).

Almost surely, 2^10421442402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10421442402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12571372800).

10421442402 is an abundant number, since it is smaller than the sum of its proper divisors (14721303198).

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

10421442402 is a wasteful number, since it uses less digits than its factorization.

10421442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 10421442402 its reverse (20424412401), we get a palindrome (30845854803).

The spelling of 10421442402 in words is "ten billion, four hundred twenty-one million, four hundred forty-two thousand, four hundred two".