42440148 has 36 divisors (see below), whose sum is σ = 112927360. Its totient is φ = 13401936.

The previous prime is 42440113. The next prime is 42440149. The reversal of 42440148 is 84104424.

It is a happy number.

42440148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42440149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30340 + ... + 31707.

Almost surely, 2^42440148 is an apocalyptic number.

It is an amenable number.

42440148 is an abundant number, since it is smaller than the sum of its proper divisors (70487212).

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

42440148 is a wasteful number, since it uses less digits than its factorization.

42440148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62076 (or 62071 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 42440148 is about 6514.6103490539. The cubic root of 42440148 is about 348.8127061871.

The spelling of 42440148 in words is "forty-two million, four hundred forty thousand, one hundred forty-eight".