42548130 has 48 divisors (see below), whose sum is σ = 111154680. Its totient is φ = 11291904.

The previous prime is 42548117. The next prime is 42548147. The reversal of 42548130 is 3184524.

It can be written as a sum of positive squares in 4 ways, for example, as 39425841 + 3122289 = 6279^2 + 1767^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42548094 and 42548103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19956 + ... + 21984.

Almost surely, 2^42548130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42548130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55577340).

42548130 is an abundant number, since it is smaller than the sum of its proper divisors (68606550).

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

42548130 is a wasteful number, since it uses less digits than its factorization.

42548130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42548130 is about 6522.8927631841. The cubic root of 42548130 is about 349.1082878940.

The spelling of 42548130 in words is "forty-two million, five hundred forty-eight thousand, one hundred thirty".