42841443678 has 48 divisors (see below), whose sum is σ = 95957437968. Its totient is φ = 12737296000.

The previous prime is 42841443677. The next prime is 42841443683. The reversal of 42841443678 is 87634414824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42841443678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42841443677) 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, 518223 + ... + 595178.

It is an arithmetic number, because the mean of its divisors is an integer number (1999113291).

Almost surely, 2^42841443678 is an apocalyptic number.

42841443678 is an abundant number, since it is smaller than the sum of its proper divisors (53115994290).

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

42841443678 is a wasteful number, since it uses less digits than its factorization.

42841443678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113481 (or 1113470 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 51.

The spelling of 42841443678 in words is "forty-two billion, eight hundred forty-one million, four hundred forty-three thousand, six hundred seventy-eight".