42544116 has 60 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 13433040.

The previous prime is 42544109. The next prime is 42544127. The reversal of 42544116 is 61144524.

42544116 is a `hidden beast` number, since 4 + 2 + 544 + 116 = 666.

42544116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42544116.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 2701 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 2^42544116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42544116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58544640).

42544116 is an abundant number, since it is smaller than the sum of its proper divisors (74545164).

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

42544116 is a wasteful number, since it uses less digits than its factorization.

42544116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6946 (or 6935 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42544116 is about 6522.5850703536. The cubic root of 42544116 is about 349.0973092310.

The spelling of 42544116 in words is "forty-two million, five hundred forty-four thousand, one hundred sixteen".