42000648 has 32 divisors (see below), whose sum is σ = 106047360. Its totient is φ = 13860800.

The previous prime is 42000611. The next prime is 42000649. The reversal of 42000648 is 84600024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (42000649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6240 + ... + 11087.

It is an arithmetic number, because the mean of its divisors is an integer number (3313980).

Almost surely, 2^42000648 is an apocalyptic number.

It is an amenable number.

42000648 is an abundant number, since it is smaller than the sum of its proper divisors (64046712).

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

42000648 is a wasteful number, since it uses less digits than its factorization.

42000648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17437 (or 17433 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 42000648 is about 6480.7906925004. The cubic root of 42000648 is about 347.6044521503.

The spelling of 42000648 in words is "forty-two million, six hundred forty-eight", and thus it is an aban number.