42581130 has 16 divisors (see below), whose sum is σ = 102194784. Its totient is φ = 11354960.

The previous prime is 42581129. The next prime is 42581153. The reversal of 42581130 is 3118524.

It is a self number, because there is not a number n which added to its sum of digits gives 42581130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709656 + ... + 709715.

It is an arithmetic number, because the mean of its divisors is an integer number (6387174).

Almost surely, 2^42581130 is an apocalyptic number.

42581130 is an abundant number, since it is smaller than the sum of its proper divisors (59613654).

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

42581130 is a wasteful number, since it uses less digits than its factorization.

42581130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419381.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 42581130 is about 6525.4218254455. The cubic root of 42581130 is about 349.1985197981.

Adding to 42581130 its reverse (3118524), we get a palindrome (45699654).

The spelling of 42581130 in words is "forty-two million, five hundred eighty-one thousand, one hundred thirty".