42566244 has 48 divisors (see below), whose sum is σ = 114576000. Its totient is φ = 12047616.

The previous prime is 42566231. The next prime is 42566257. The reversal of 42566244 is 44266524.

It is an interprime number because it is at equal distance from previous prime (42566231) and next prime (42566257).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6832 + ... + 11480.

It is an arithmetic number, because the mean of its divisors is an integer number (2387000).

Almost surely, 2^42566244 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 42566244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57288000).

42566244 is an abundant number, since it is smaller than the sum of its proper divisors (72009756).

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

42566244 is a wasteful number, since it uses less digits than its factorization.

42566244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772 (or 4770 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 42566244 is about 6524.2811098235. The cubic root of 42566244 is about 349.1578227802.

The spelling of 42566244 in words is "forty-two million, five hundred sixty-six thousand, two hundred forty-four".