42011402403 has 32 divisors (see below), whose sum is σ = 57428808192. Its totient is φ = 27310348800.

The previous prime is 42011402393. The next prime is 42011402431. The reversal of 42011402403 is 30420411024.

It is not a de Polignac number, because 42011402403 - 2⁴ = 42011402387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42011402403.

It is not an unprimeable number, because it can be changed into a prime (42011402453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19439643 + ... + 19441803.

It is an arithmetic number, because the mean of its divisors is an integer number (1794650256).

Almost surely, 2^42011402403 is an apocalyptic number.

42011402403 is a deficient number, since it is larger than the sum of its proper divisors (15417405789).

42011402403 is a wasteful number, since it uses less digits than its factorization.

42011402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42011402403 its reverse (30420411024), we get a palindrome (72431813427).

The spelling of 42011402403 in words is "forty-two billion, eleven million, four hundred two thousand, four hundred three".