42402002403 has 16 divisors (see below), whose sum is σ = 59939734400. Its totient is φ = 26587543680.

The previous prime is 42402002381. The next prime is 42402002431. The reversal of 42402002403 is 30420020424.

It is not a de Polignac number, because 42402002403 - 2¹⁰ = 42402001379 is a prime.

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 42402002403.

It is not an unprimeable number, because it can be changed into a prime (42402002443) 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 15 ways as a sum of consecutive naturals, for example, 2667958 + ... + 2683803.

It is an arithmetic number, because the mean of its divisors is an integer number (3746233400).

Almost surely, 2^42402002403 is an apocalyptic number.

42402002403 is a deficient number, since it is larger than the sum of its proper divisors (17537731997).

42402002403 is a wasteful number, since it uses less digits than its factorization.

42402002403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351922.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 42402002403 its reverse (30420020424), we get a palindrome (72822022827).

The spelling of 42402002403 in words is "forty-two billion, four hundred two million, two thousand, four hundred three".