42026244 has 144 divisors (see below), whose sum is σ = 119532672. Its totient is φ = 11421696.

The previous prime is 42026167. The next prime is 42026251. The reversal of 42026244 is 44262024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 792922 + ... + 792974.

It is an arithmetic number, because the mean of its divisors is an integer number (830088).

Almost surely, 2^42026244 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 42026244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59766336).

42026244 is an abundant number, since it is smaller than the sum of its proper divisors (77506428).

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

42026244 is a wasteful number, since it uses less digits than its factorization.

42026244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 42026244 is about 6482.7651507671. The cubic root of 42026244 is about 347.6750500831.

Adding to 42026244 its reverse (44262024), we get a palindrome (86288268).

The spelling of 42026244 in words is "forty-two million, twenty-six thousand, two hundred forty-four".