42538048 has 28 divisors (see below), whose sum is σ = 96471232. Its totient is φ = 18230400.

The previous prime is 42538043. The next prime is 42538121. The reversal of 42538048 is 84083524.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (42538043) 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 3 ways as a sum of consecutive naturals, for example, 47028 + ... + 47923.

Almost surely, 2^42538048 is an apocalyptic number.

It is an amenable number.

42538048 is an abundant number, since it is smaller than the sum of its proper divisors (53933184).

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

42538048 is an equidigital number, since it uses as much as digits as its factorization.

42538048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94970 (or 94960 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 42538048 is about 6522.1199007685. The cubic root of 42538048 is about 349.0807113761.

The spelling of 42538048 in words is "forty-two million, five hundred thirty-eight thousand, forty-eight".