42043443677 has 8 divisors (see below), whose sum is σ = 42105400896. Its totient is φ = 41981520672.

The previous prime is 42043443667. The next prime is 42043443679. The reversal of 42043443677 is 77634434024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42043443677 - 2¹⁶ = 42043378141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043443679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3390713 + ... + 3403089.

It is an arithmetic number, because the mean of its divisors is an integer number (5263175112).

Almost surely, 2^42043443677 is an apocalyptic number.

It is an amenable number.

42043443677 is a deficient number, since it is larger than the sum of its proper divisors (61957219).

42043443677 is a wasteful number, since it uses less digits than its factorization.

42043443677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17107.

The product of its (nonzero) digits is 1354752, while the sum is 44.

The spelling of 42043443677 in words is "forty-two billion, forty-three million, four hundred forty-three thousand, six hundred seventy-seven".