42255844 has 12 divisors (see below), whose sum is σ = 74060784. Its totient is φ = 21095624.

The previous prime is 42255841. The next prime is 42255901. The reversal of 42255844 is 44855224.

It is not an unprimeable number, because it can be changed into a prime (42255841) 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 3 ways as a sum of consecutive naturals, for example, 5002 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (6171732).

Almost surely, 2^42255844 is an apocalyptic number.

It is an amenable number.

42255844 is a deficient number, since it is larger than the sum of its proper divisors (31804940).

42255844 is a wasteful number, since it uses less digits than its factorization.

42255844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154 (or 16152 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

The square root of 42255844 is about 6500.4495229176. The cubic root of 42255844 is about 348.3070461353.

The spelling of 42255844 in words is "forty-two million, two hundred fifty-five thousand, eight hundred forty-four".