42050597405 has 4 divisors (see below), whose sum is σ = 50460716892. Its totient is φ = 33640477920.

The previous prime is 42050597383. The next prime is 42050597417. The reversal of 42050597405 is 50479505024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22589789401 + 19460808004 = 150299^2 + 139502^2 .

It is not a de Polignac number, because 42050597405 - 2²⁴ = 42033820189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205059736 + ... + 4205059745.

It is an arithmetic number, because the mean of its divisors is an integer number (12615179223).

Almost surely, 2^42050597405 is an apocalyptic number.

It is an amenable number.

42050597405 is a deficient number, since it is larger than the sum of its proper divisors (8410119487).

42050597405 is an equidigital number, since it uses as much as digits as its factorization.

42050597405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410119486.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 42050597405 in words is "forty-two billion, fifty million, five hundred ninety-seven thousand, four hundred five".