42548388 has 12 divisors (see below), whose sum is σ = 99279600. Its totient is φ = 14182792.

The previous prime is 42548377. The next prime is 42548393. The reversal of 42548388 is 88384524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1772838 + ... + 1772861.

It is an arithmetic number, because the mean of its divisors is an integer number (8273300).

Almost surely, 2^42548388 is an apocalyptic number.

It is an amenable number.

42548388 is an abundant number, since it is smaller than the sum of its proper divisors (56731212).

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

42548388 is a wasteful number, since it uses less digits than its factorization.

42548388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545706 (or 3545704 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 42548388 is about 6522.9125396559. The cubic root of 42548388 is about 349.1089935243.

The spelling of 42548388 in words is "forty-two million, five hundred forty-eight thousand, three hundred eighty-eight".