42248250 has 128 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 10224000.

The previous prime is 42248249. The next prime is 42248293. The reversal of 42248250 is 5284224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73966 + ... + 74534.

It is an arithmetic number, because the mean of its divisors is an integer number (1000350).

Almost surely, 2^42248250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42248250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64022400).

42248250 is an abundant number, since it is smaller than the sum of its proper divisors (85796550).

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

42248250 is a wasteful number, since it uses less digits than its factorization.

42248250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 42248250 is about 6499.8653832214. The cubic root of 42248250 is about 348.2861795764.

The spelling of 42248250 in words is "forty-two million, two hundred forty-eight thousand, two hundred fifty".