42448436 has 12 divisors (see below), whose sum is σ = 75502980. Its totient is φ = 20876160.

The previous prime is 42448429. The next prime is 42448447. The reversal of 42448436 is 63484424.

42448436 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 2 ways, for example, as 18438436 + 24010000 = 4294^2 + 4900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42448396 and 42448405.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 86741 + ... + 87228.

It is an arithmetic number, because the mean of its divisors is an integer number (6291915).

Almost surely, 2^42448436 is an apocalyptic number.

It is an amenable number.

42448436 is a deficient number, since it is larger than the sum of its proper divisors (33054544).

42448436 is a wasteful number, since it uses less digits than its factorization.

42448436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174034 (or 174032 counting only the distinct ones).

The product of its digits is 73728, while the sum is 35.

The square root of 42448436 is about 6515.2464266519. The cubic root of 42448436 is about 348.8354108797.

The spelling of 42448436 in words is "forty-two million, four hundred forty-eight thousand, four hundred thirty-six".