42278183568 has 30 divisors (see below), whose sum is σ = 118320194694. Its totient is φ = 14092727808.

The previous prime is 42278183567. The next prime is 42278183579. The reversal of 42278183568 is 86538187224.

42278183568 is a `hidden beast` number, since 4 + 2 + 2 + 78 + 1 + 8 + 3 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41205752064 + 1072431504 = 202992^2 + 32748^2 .

It is not an unprimeable number, because it can be changed into a prime (42278183561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146799105 + ... + 146799392.

Almost surely, 2^42278183568 is an apocalyptic number.

42278183568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42278183568 is an abundant number, since it is smaller than the sum of its proper divisors (76042011126).

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

42278183568 is a wasteful number, since it uses less digits than its factorization.

42278183568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293598511 (or 293598502 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 42278183568 in words is "forty-two billion, two hundred seventy-eight million, one hundred eighty-three thousand, five hundred sixty-eight".