42678468 has 48 divisors (see below), whose sum is σ = 126456960. Its totient is φ = 12193632.

The previous prime is 42678463. The next prime is 42678473. The reversal of 42678468 is 86487624.

It is an interprime number because it is at equal distance from previous prime (42678463) and next prime (42678473).

It is not an unprimeable number, because it can be changed into a prime (42678463) 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 15 ways as a sum of consecutive naturals, for example, 27471 + ... + 28982.

It is an arithmetic number, because the mean of its divisors is an integer number (2634520).

Almost surely, 2^42678468 is an apocalyptic number.

It is an amenable number.

42678468 is an abundant number, since it is smaller than the sum of its proper divisors (83778492).

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

42678468 is a wasteful number, since it uses less digits than its factorization.

42678468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56473 (or 56465 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 42678468 is about 6532.8759363698. The cubic root of 42678468 is about 349.4643998442.

The spelling of 42678468 in words is "forty-two million, six hundred seventy-eight thousand, four hundred sixty-eight".