42375545856 has 264 divisors, whose sum is σ = 148067861760. Its totient is φ = 11394809856.

The previous prime is 42375545843. The next prime is 42375545857. The reversal of 42375545856 is 65854557324.

42375545856 is a `hidden beast` number, since 4 + 2 + 3 + 7 + 5 + 54 + 585 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (42375545857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1077385 + ... + 1116023.

Almost surely, 2^42375545856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42375545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74033930880).

42375545856 is an abundant number, since it is smaller than the sum of its proper divisors (105692315904).

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

42375545856 is a wasteful number, since it uses less digits than its factorization.

42375545856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38689 (or 38668 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 54.

The spelling of 42375545856 in words is "forty-two billion, three hundred seventy-five million, five hundred forty-five thousand, eight hundred fifty-six".