42216005405 has 16 divisors (see below), whose sum is σ = 58170635904. Its totient is φ = 28810918080.

The previous prime is 42216005341. The next prime is 42216005413. The reversal of 42216005405 is 50450061224.

42216005405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42216005405 - 2⁶ = 42216005341 is a prime.

It is a super-2 number, since 2×42216005405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2850842 + ... + 2865611.

It is an arithmetic number, because the mean of its divisors is an integer number (3635664744).

Almost surely, 2^42216005405 is an apocalyptic number.

It is an amenable number.

42216005405 is a deficient number, since it is larger than the sum of its proper divisors (15954630499).

42216005405 is a wasteful number, since it uses less digits than its factorization.

42216005405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716676.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 42216005405 its reverse (50450061224), we get a palindrome (92666066629).

The spelling of 42216005405 in words is "forty-two billion, two hundred sixteen million, five thousand, four hundred five".