42442550 has 12 divisors (see below), whose sum is σ = 78943236. Its totient is φ = 16977000.

The previous prime is 42442541. The next prime is 42442571. The reversal of 42442550 is 5524424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424376 + ... + 424475.

It is an arithmetic number, because the mean of its divisors is an integer number (6578603).

Almost surely, 2^42442550 is an apocalyptic number.

42442550 is a deficient number, since it is larger than the sum of its proper divisors (36500686).

42442550 is a wasteful number, since it uses less digits than its factorization.

42442550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848863 (or 848858 counting only the distinct ones).

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

The square root of 42442550 is about 6514.7947012934. The cubic root of 42442550 is about 348.8192866881.

Adding to 42442550 its reverse (5524424), we get a palindrome (47966974).

The spelling of 42442550 in words is "forty-two million, four hundred forty-two thousand, five hundred fifty".