42026340005 has 16 divisors (see below), whose sum is σ = 54379173744. Its totient is φ = 30995857920.

The previous prime is 42026339947. The next prime is 42026340007. The reversal of 42026340005 is 50004362024.

It can be written as a sum of positive squares in 8 ways, for example, as 4839845761 + 37186494244 = 69569^2 + 192838^2 .

It is not a de Polignac number, because 42026340005 - 2²⁴ = 42009562789 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 (42026340007) 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 15 ways as a sum of consecutive naturals, for example, 353816 + ... + 457425.

It is an arithmetic number, because the mean of its divisors is an integer number (3398698359).

Almost surely, 2^42026340005 is an apocalyptic number.

It is an amenable number.

42026340005 is a deficient number, since it is larger than the sum of its proper divisors (12352833739).

42026340005 is a wasteful number, since it uses less digits than its factorization.

42026340005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812056.

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 42026340005 in words is "forty-two billion, twenty-six million, three hundred forty thousand, five".