42440050 has 24 divisors (see below), whose sum is σ = 81663300. Its totient is φ = 16390080.

The previous prime is 42440039. The next prime is 42440051. The reversal of 42440050 is 5004424.

42440050 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 6 ways, for example, as 18498601 + 23941449 = 4301^2 + 4893^2 .

It is not an unprimeable number, because it can be changed into a prime (42440051) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13185 + ... + 16084.

Almost surely, 2^42440050 is an apocalyptic number.

42440050 is a deficient number, since it is larger than the sum of its proper divisors (39223250).

42440050 is a wasteful number, since it uses less digits than its factorization.

42440050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29310 (or 29305 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42440050 is about 6514.6028274946. The cubic root of 42440050 is about 348.8124377018.

Adding to 42440050 its reverse (5004424), we get a palindrome (47444474).

The spelling of 42440050 in words is "forty-two million, four hundred forty thousand, fifty".