42236564560 has 20 divisors (see below), whose sum is σ = 98200012788. Its totient is φ = 16894625792.

The previous prime is 42236564543. The next prime is 42236564563. The reversal of 42236564560 is 6546563224.

It can be written as a sum of positive squares in 2 ways, for example, as 31261068864 + 10975495696 = 176808^2 + 104764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42236564563) 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 3 ways as a sum of consecutive naturals, for example, 263978449 + ... + 263978608.

Almost surely, 2^42236564560 is an apocalyptic number.

42236564560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42236564560 is an abundant number, since it is smaller than the sum of its proper divisors (55963448228).

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

42236564560 is a wasteful number, since it uses less digits than its factorization.

42236564560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527957070 (or 527957064 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 42236564560 in words is "forty-two billion, two hundred thirty-six million, five hundred sixty-four thousand, five hundred sixty".