42465616 has 20 divisors (see below), whose sum is σ = 82881972. Its totient is φ = 21076736.

The previous prime is 42465587. The next prime is 42465617. The reversal of 42465616 is 61656424.

42465616 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 18455616 + 24010000 = 4296^2 + 4900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42465617) 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 3 ways as a sum of consecutive naturals, for example, 7495 + ... + 11878.

Almost surely, 2^42465616 is an apocalyptic number.

It is an amenable number.

42465616 is a deficient number, since it is larger than the sum of its proper divisors (40416356).

42465616 is a wasteful number, since it uses less digits than its factorization.

42465616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19518 (or 19512 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 42465616 is about 6516.5647391858. The cubic root of 42465616 is about 348.8824654915.

The spelling of 42465616 in words is "forty-two million, four hundred sixty-five thousand, six hundred sixteen".