42643968448 has 28 divisors (see below), whose sum is σ = 89075397160. Its totient is φ = 20199773952.

The previous prime is 42643968403. The next prime is 42643968463. The reversal of 42643968448 is 84486934624.

42643968448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42643968392 and 42643968401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17533311 + ... + 17535742.

Almost surely, 2^42643968448 is an apocalyptic number.

It is an amenable number.

42643968448 is an abundant number, since it is smaller than the sum of its proper divisors (46431428712).

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

42643968448 is a wasteful number, since it uses less digits than its factorization.

42643968448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35069084 (or 35069074 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 58.

The spelling of 42643968448 in words is "forty-two billion, six hundred forty-three million, nine hundred sixty-eight thousand, four hundred forty-eight".