42043471678 has 16 divisors (see below), whose sum is σ = 67955193936. Its totient is φ = 19393588800.

The previous prime is 42043471669. The next prime is 42043471721. The reversal of 42043471678 is 87617434024.

It is a super-4 number, since 4×42043471678⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415648 + ... + 506803.

It is an arithmetic number, because the mean of its divisors is an integer number (4247199621).

Almost surely, 2^42043471678 is an apocalyptic number.

42043471678 is a deficient number, since it is larger than the sum of its proper divisors (25911722258).

42043471678 is a wasteful number, since it uses less digits than its factorization.

42043471678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924219.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 42043471678 in words is "forty-two billion, forty-three million, four hundred seventy-one thousand, six hundred seventy-eight".