42250044 has 12 divisors (see below), whose sum is σ = 98583464. Its totient is φ = 14083344.

The previous prime is 42250031. The next prime is 42250051. The reversal of 42250044 is 44005224.

42250044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42250044.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1760407 + ... + 1760430.

Almost surely, 2^42250044 is an apocalyptic number.

It is an amenable number.

42250044 is an abundant number, since it is smaller than the sum of its proper divisors (56333420).

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

42250044 is a wasteful number, since it uses less digits than its factorization.

42250044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520844 (or 3520842 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42250044 is about 6500.0033846145. The cubic root of 42250044 is about 348.2911092998.

Adding to 42250044 its reverse (44005224), we get a palindrome (86255268).

The spelling of 42250044 in words is "forty-two million, two hundred fifty thousand, forty-four".