42505520415 has 32 divisors (see below), whose sum is σ = 71117968896. Its totient is φ = 21637461120.

The previous prime is 42505520347. The next prime is 42505520417. The reversal of 42505520415 is 51402550524.

It is not a de Polignac number, because 42505520415 - 2¹⁴ = 42505504031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42505520417) 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 31 ways as a sum of consecutive naturals, for example, 29205 + ... + 293025.

It is an arithmetic number, because the mean of its divisors is an integer number (2222436528).

Almost surely, 2^42505520415 is an apocalyptic number.

42505520415 is a deficient number, since it is larger than the sum of its proper divisors (28612448481).

42505520415 is a wasteful number, since it uses less digits than its factorization.

42505520415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264319.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 42505520415 in words is "forty-two billion, five hundred five million, five hundred twenty thousand, four hundred fifteen".