42880686 has 16 divisors (see below), whose sum is σ = 86170368. Its totient is φ = 14225400.

The previous prime is 42880679. The next prime is 42880697. The reversal of 42880686 is 68608824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15670 + ... + 18201.

It is an arithmetic number, because the mean of its divisors is an integer number (5385648).

Almost surely, 2^42880686 is an apocalyptic number.

42880686 is an abundant number, since it is smaller than the sum of its proper divisors (43289682).

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

42880686 is a wasteful number, since it uses less digits than its factorization.

42880686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34087.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 42880686 is about 6548.3345974377. The cubic root of 42880686 is about 350.0154714249.

The spelling of 42880686 in words is "forty-two million, eight hundred eighty thousand, six hundred eighty-six".