42250110 has 64 divisors (see below), whose sum is σ = 121996800. Its totient is φ = 9148032.

The previous prime is 42250097. The next prime is 42250147. The reversal of 42250110 is 1105224.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42250110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1305 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (1906200).

Almost surely, 2^42250110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42250110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60998400).

42250110 is an abundant number, since it is smaller than the sum of its proper divisors (79746690).

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

42250110 is a wasteful number, since it uses less digits than its factorization.

42250110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10625.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42250110 is about 6500.0084615330. The cubic root of 42250110 is about 348.2912906582.

Adding to 42250110 its reverse (1105224), we get a palindrome (43355334).

The spelling of 42250110 in words is "forty-two million, two hundred fifty thousand, one hundred ten".