42026442 has 16 divisors (see below), whose sum is σ = 88476960. Its totient is φ = 13271472.

The previous prime is 42026441. The next prime is 42026447. The reversal of 42026442 is 24462024.

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 in 7 ways as a sum of consecutive naturals, for example, 184213 + ... + 184440.

It is an arithmetic number, because the mean of its divisors is an integer number (5529810).

Almost surely, 2^42026442 is an apocalyptic number.

42026442 is an abundant number, since it is smaller than the sum of its proper divisors (46450518).

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

42026442 is a wasteful number, since it uses less digits than its factorization.

42026442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368677.

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

The square root of 42026442 is about 6482.7804220103. The cubic root of 42026442 is about 347.6755960876.

Adding to 42026442 its reverse (24462024), we get a palindrome (66488466).

It can be divided in two parts, 420 and 26442, that added together give a palindrome (26862).

The spelling of 42026442 in words is "forty-two million, twenty-six thousand, four hundred forty-two".