4042423410402 has 64 divisors (see below), whose sum is σ = 8795245181184. Its totient is φ = 1231243407360.

The previous prime is 4042423410323. The next prime is 4042423410469. The reversal of 4042423410402 is 2040143242404.

It is a super-2 number, since 2×4042423410402² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4042423410402.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2495418 + ... + 3783114.

It is an arithmetic number, because the mean of its divisors is an integer number (137425705956).

Almost surely, 2^{4042423410402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4042423410402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4397622590592).

4042423410402 is an abundant number, since it is smaller than the sum of its proper divisors (4752821770782).

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

4042423410402 is a wasteful number, since it uses less digits than its factorization.

4042423410402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288123.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4042423410402 its reverse (2040143242404), we get a palindrome (6082566652806).

The spelling of 4042423410402 in words is "four trillion, forty-two billion, four hundred twenty-three million, four hundred ten thousand, four hundred two".