42866616 has 32 divisors (see below), whose sum is σ = 115410960. Its totient is φ = 13189632.

The previous prime is 42866599. The next prime is 42866617. The reversal of 42866616 is 61666824.

42866616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42866617) 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 7 ways as a sum of consecutive naturals, for example, 68385 + ... + 69008.

Almost surely, 2^42866616 is an apocalyptic number.

It is an amenable number.

42866616 is an abundant number, since it is smaller than the sum of its proper divisors (72544344).

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

42866616 is a wasteful number, since it uses less digits than its factorization.

42866616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137415 (or 137411 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 42866616 is about 6547.2601903392. The cubic root of 42866616 is about 349.9771849074.

The spelling of 42866616 in words is "forty-two million, eight hundred sixty-six thousand, six hundred sixteen".