42315405405 has 128 divisors (see below), whose sum is σ = 88253964288. Its totient is φ = 16824056832.

The previous prime is 42315405389. The next prime is 42315405409. The reversal of 42315405405 is 50450451324.

It is not a de Polignac number, because 42315405405 - 2⁴ = 42315405389 is a prime.

42315405405 is a modest number, since divided by 405405 gives 42315 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315405409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2093407 + ... + 2113523.

It is an arithmetic number, because the mean of its divisors is an integer number (689484096).

Almost surely, 2^42315405405 is an apocalyptic number.

It is an amenable number.

42315405405 is an abundant number, since it is smaller than the sum of its proper divisors (45938558883).

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

42315405405 is a wasteful number, since it uses less digits than its factorization.

42315405405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20235.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 42315405405 its reverse (50450451324), we get a palindrome (92765856729).

The spelling of 42315405405 in words is "forty-two billion, three hundred fifteen million, four hundred five thousand, four hundred five".