42861085056 has 48 divisors (see below), whose sum is σ = 123337240260. Its totient is φ = 14287027968.

The previous prime is 42861085037. The next prime is 42861085067. The reversal of 42861085056 is 65058016824.

42861085056 is a `hidden beast` number, since 4 + 28 + 610 + 8 + 5 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×42861085056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18601750 + ... + 18604053.

Almost surely, 2^42861085056 is an apocalyptic number.

It is an amenable number.

42861085056 is an abundant number, since it is smaller than the sum of its proper divisors (80476155204).

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

42861085056 is a wasteful number, since it uses less digits than its factorization.

42861085056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37205823 (or 37205808 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 42861085056 in words is "forty-two billion, eight hundred sixty-one million, eighty-five thousand, fifty-six".