42806860 has 24 divisors (see below), whose sum is σ = 91420560. Its totient is φ = 16832064.

The previous prime is 42806849. The next prime is 42806873. The reversal of 42806860 is 6860824.

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, 16959 + ... + 19318.

It is an arithmetic number, because the mean of its divisors is an integer number (3809190).

Almost surely, 2^42806860 is an apocalyptic number.

It is an amenable number.

42806860 is an abundant number, since it is smaller than the sum of its proper divisors (48613700).

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

42806860 is a wasteful number, since it uses less digits than its factorization.

42806860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36345 (or 36343 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 42806860 is about 6542.6951633100. The cubic root of 42806860 is about 349.8144867223.

The spelling of 42806860 in words is "forty-two million, eight hundred six thousand, eight hundred sixty".