42210344 has 32 divisors (see below), whose sum is σ = 89130240. Its totient is φ = 18566400.

The previous prime is 42210331. The next prime is 42210373. The reversal of 42210344 is 44301224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5009 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (2785320).

Almost surely, 2^42210344 is an apocalyptic number.

42210344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42210344 is an abundant number, since it is smaller than the sum of its proper divisors (46919896).

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

42210344 is a wasteful number, since it uses less digits than its factorization.

42210344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15521 (or 15517 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42210344 is about 6496.9488223319. The cubic root of 42210344 is about 348.1819852307.

Adding to 42210344 its reverse (44301224), we get a palindrome (86511568).

The spelling of 42210344 in words is "forty-two million, two hundred ten thousand, three hundred forty-four".