42526444 has 24 divisors (see below), whose sum is σ = 76089888. Its totient is φ = 20791680.

The previous prime is 42526439. The next prime is 42526447. The reversal of 42526444 is 44462524.

It is a happy number.

42526444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42526447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38362 + ... + 39454.

It is an arithmetic number, because the mean of its divisors is an integer number (3170412).

Almost surely, 2^42526444 is an apocalyptic number.

It is an amenable number.

42526444 is a deficient number, since it is larger than the sum of its proper divisors (33563444).

42526444 is a wasteful number, since it uses less digits than its factorization.

42526444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305 (or 1303 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 42526444 is about 6521.2302520307. The cubic root of 42526444 is about 349.0489664548.

Adding to 42526444 its reverse (44462524), we get a palindrome (86988968).

The spelling of 42526444 in words is "forty-two million, five hundred twenty-six thousand, four hundred forty-four".