42150056 has 64 divisors (see below), whose sum is σ = 91022400. Its totient is φ = 18137088.

The previous prime is 42150047. The next prime is 42150149. The reversal of 42150056 is 65005124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163880 + ... + 164136.

It is an arithmetic number, because the mean of its divisors is an integer number (1422225).

Almost surely, 2^42150056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42150056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45511200).

42150056 is an abundant number, since it is smaller than the sum of its proper divisors (48872344).

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

42150056 is a wasteful number, since it uses less digits than its factorization.

42150056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 42150056 is about 6492.3074480496. The cubic root of 42150056 is about 348.0161396487.

The spelling of 42150056 in words is "forty-two million, one hundred fifty thousand, fifty-six".