42026444 has 6 divisors (see below), whose sum is σ = 73546284. Its totient is φ = 21013220.

The previous prime is 42026441. The next prime is 42026447. The reversal of 42026444 is 44462024.

It is an interprime number because it is at equal distance from previous prime (42026441) and next prime (42026447).

It is not an unprimeable number, because it can be changed into a prime (42026441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253302 + ... + 5253309.

It is an arithmetic number, because the mean of its divisors is an integer number (12257714).

Almost surely, 2^42026444 is an apocalyptic number.

It is an amenable number.

42026444 is a deficient number, since it is larger than the sum of its proper divisors (31519840).

42026444 is a wasteful number, since it uses less digits than its factorization.

42026444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10506615 (or 10506613 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 42026444 is about 6482.7805762651. The cubic root of 42026444 is about 347.6756016028.

Adding to 42026444 its reverse (44462024), we get a palindrome (86488468).

The spelling of 42026444 in words is "forty-two million, twenty-six thousand, four hundred forty-four".