42805447860 has 48 divisors (see below), whose sum is σ = 136977434496. Its totient is φ = 9784102272.

The previous prime is 42805447859. The next prime is 42805447969. The reversal of 42805447860 is 6874450824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50958447 + ... + 50959286.

It is an arithmetic number, because the mean of its divisors is an integer number (2853696552).

Almost surely, 2^42805447860 is an apocalyptic number.

It is an amenable number.

42805447860 is an abundant number, since it is smaller than the sum of its proper divisors (94171986636).

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

42805447860 is a wasteful number, since it uses less digits than its factorization.

42805447860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101917752 (or 101917750 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 42805447860 in words is "forty-two billion, eight hundred five million, four hundred forty-seven thousand, eight hundred sixty".