42404063 has 16 divisors (see below), whose sum is σ = 48254976. Its totient is φ = 36983520.

The previous prime is 42404039. The next prime is 42404083. The reversal of 42404063 is 36040424.

It is a happy number.

42404063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42404063 - 2⁸ = 42403807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404083) 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 15 ways as a sum of consecutive naturals, for example, 16106 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (3015936).

Almost surely, 2^42404063 is an apocalyptic number.

42404063 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42404063 is a deficient number, since it is larger than the sum of its proper divisors (5850913).

42404063 is a wasteful number, since it uses less digits than its factorization.

42404063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 42404063 is about 6511.8402160987. The cubic root of 42404063 is about 348.7138180969.

Adding to 42404063 its reverse (36040424), we get a palindrome (78444487).

The spelling of 42404063 in words is "forty-two million, four hundred four thousand, sixty-three".