42445502 has 16 divisors (see below), whose sum is σ = 71852400. Its totient is φ = 18627840.

The previous prime is 42445499. The next prime is 42445517. The reversal of 42445502 is 20554424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32627 + ... + 33902.

It is an arithmetic number, because the mean of its divisors is an integer number (4490775).

Almost surely, 2^42445502 is an apocalyptic number.

42445502 is a deficient number, since it is larger than the sum of its proper divisors (29406898).

42445502 is a wasteful number, since it uses less digits than its factorization.

42445502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66571.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 42445502 is about 6515.0212585992. The cubic root of 42445502 is about 348.8273736250.

Adding to 42445502 its reverse (20554424), we get a palindrome (62999926).

It can be divided in two parts, 42 and 445502, that added together give a palindrome (445544).

The spelling of 42445502 in words is "forty-two million, four hundred forty-five thousand, five hundred two".