42678448 has 40 divisors (see below), whose sum is σ = 84650832. Its totient is φ = 20840448.

The previous prime is 42678443. The next prime is 42678451. The reversal of 42678448 is 84487624.

It is not an unprimeable number, because it can be changed into a prime (42678443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165936 + ... + 166192.

Almost surely, 2^42678448 is an apocalyptic number.

It is an amenable number.

42678448 is a deficient number, since it is larger than the sum of its proper divisors (41972384).

42678448 is a wasteful number, since it uses less digits than its factorization.

42678448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 463 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 42678448 is about 6532.8744056502. The cubic root of 42678448 is about 349.4643452555.

The spelling of 42678448 in words is "forty-two million, six hundred seventy-eight thousand, four hundred forty-eight".