42257130 has 32 divisors (see below), whose sum is σ = 101594304. Its totient is φ = 11248896.

The previous prime is 42257129. The next prime is 42257161. The reversal of 42257130 is 3175224.

It is a self number, because there is not a number n which added to its sum of digits gives 42257130.

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, 26434 + ... + 27986.

It is an arithmetic number, because the mean of its divisors is an integer number (3174822).

Almost surely, 2^42257130 is an apocalyptic number.

42257130 is an abundant number, since it is smaller than the sum of its proper divisors (59337174).

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

42257130 is a wasteful number, since it uses less digits than its factorization.

42257130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42257130 is about 6500.5484384012. The cubic root of 42257130 is about 348.3105795189.

The spelling of 42257130 in words is "forty-two million, two hundred fifty-seven thousand, one hundred thirty".