42809671560 has 32 divisors (see below), whose sum is σ = 128429015040. Its totient is φ = 11415912384.

The previous prime is 42809671549. The next prime is 42809671589. The reversal of 42809671560 is 6517690824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178373512 + ... + 178373751.

It is an arithmetic number, because the mean of its divisors is an integer number (4013406720).

Almost surely, 2^42809671560 is an apocalyptic number.

42809671560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42809671560 is an abundant number, since it is smaller than the sum of its proper divisors (85619343480).

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

42809671560 is a wasteful number, since it uses less digits than its factorization.

42809671560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356747277 (or 356747273 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 42809671560 in words is "forty-two billion, eight hundred nine million, six hundred seventy-one thousand, five hundred sixty".