42445610 has 16 divisors (see below), whose sum is σ = 76734216. Its totient is φ = 16904448.

The previous prime is 42445609. The next prime is 42445621. The reversal of 42445610 is 1654424.

42445610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22024249 + 20421361 = 4693^2 + 4519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42445610.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6779 + ... + 11438.

Almost surely, 2^42445610 is an apocalyptic number.

42445610 is a deficient number, since it is larger than the sum of its proper divisors (34288606).

42445610 is a wasteful number, since it uses less digits than its factorization.

42445610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18457.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42445610 is about 6515.0295471318. The cubic root of 42445610 is about 348.8276694814.

The spelling of 42445610 in words is "forty-two million, four hundred forty-five thousand, six hundred ten".