42805446 has 12 divisors (see below), whose sum is σ = 85642956. Its totient is φ = 14263140.

The previous prime is 42805409. The next prime is 42805447. The reversal of 42805446 is 64450824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42805447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14691 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (7136913).

Almost surely, 2^42805446 is an apocalyptic number.

42805446 is an abundant number, since it is smaller than the sum of its proper divisors (42837510).

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

42805446 is an frugal number, since it uses more digits than its factorization.

42805446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 42805446 is about 6542.5871029739. The cubic root of 42805446 is about 349.8106349788.

The spelling of 42805446 in words is "forty-two million, eight hundred five thousand, four hundred forty-six".