42505466066 has 16 divisors (see below), whose sum is σ = 76034623104. Its totient is φ = 17424600864.

The previous prime is 42505466041. The next prime is 42505466147. The reversal of 42505466066 is 66066450524.

It is a happy number.

42505466066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66001955 + ... + 66002598.

It is an arithmetic number, because the mean of its divisors is an integer number (4752163944).

Almost surely, 2^42505466066 is an apocalyptic number.

42505466066 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42505466066 is a deficient number, since it is larger than the sum of its proper divisors (33529157038).

42505466066 is a wasteful number, since it uses less digits than its factorization.

42505466066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132004585.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 42505466066 in words is "forty-two billion, five hundred five million, four hundred sixty-six thousand, sixty-six".